More Whimsical OEIS Sequences

Math nerds found the weirdest number lists alive, and the comments instantly got chaotic

TLDR: A roundup of hilariously pointless number lists proved that even math databases have a sense of humor, from Helvetica-sorted numbers to "beastly fax numbers." Readers instantly turned it into a comedy thread, mixing nitpicky questions, inside jokes, and warnings about a truly messy edit-history rabbit hole.

A delightfully strange tour through the Online Encyclopedia of Integer Sequences — basically a giant catalog of number patterns — turned into a mini spectacle once readers showed up with jokes, side quests, and a little nerd-sniping. The article itself is already packed with absurd gems: numbers sorted by how wide they look in Helvetica, a list of fractions "nobody needs," hex numbers that scream AAAAAA, James Bond numbers with 007, Doom game random tables, and even "beastly fax numbers." The biggest laugh? A famous comic once joked that this kind of thing would never get accepted — and then someone submitted it for real.

But the comments are where the real energy is. One reader immediately asked the kind of wonderfully obsessive question only the internet could love: for the font-based number list, when does a number finally get fewer digits than the one before it? Another jumped in with mock innocence asking what the site’s "less" label means, "for a friend" — the kind of deadpan joke that says everyone knows this rabbit hole gets weird fast. A third basically arrived as the group fact-checker, dropping the XKCD link like courtroom evidence. And then came the drama bomb: one commenter warned that the edit history of the so-called "nonsense sequence" is "painful reading," hinting at the kind of deeply nerdy behind-the-scenes mess that makes internet archives irresistible. In other words: the numbers are whimsical, but the community reaction is pure chaotic theater.

Key Points

  • The article highlights multiple whimsical OEIS entries, including sequences based on font rendering, number patterns, random tables, and 666-related motifs.
  • It says Hugo Pfoertner published A316600, a precisely defined sequence ordering integers by printed width in Helvetica, shortly after xkcd 2016 appeared.
  • A366192 is presented as the complement of Cantor’s A352911, listing non-reduced fractions instead of reduced ones.
  • Other examples cited include the screaming sequence A325911, James Bond primes A386240, Doom byte table A259233, and ZX81 RNG state A357907.
  • The article notes that many such entries share the OEIS keyword "dumb" and suggests "whimsical" would be a more fitting label.

Hottest takes

"what's the first number in the sequence that has less digits than the previous number?" — tectec
"Can somebody explain what 'less' keyword means? I'm asking for a friend." — dvh
"The edit history of the 'nonsense sequence' makes for painful reading." — robinhouston
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