https://www.jeremykun.com/tags/depths-of-oeis/Recent content in depths of OEIS on Math ∩ ProgrammingHugo -- gohugo.ioen-usThu, 09 Apr 2026 06:55:17 -0700https://www.jeremykun.com/shortform/2026-04-09-0556/Thu, 09 Apr 2026 06:55:17 -0700https://www.jeremykun.com/shortform/2026-04-09-0556/A051070 is a sequence about OEIS sequences. a(n) is the n-th term in sequence A_n (or -1 if A_n doesn’t have enough terms). So the first term in A051070 is 1 because A000001 is the number of groups of order n, and that sequence has 1 as its entry in index 1. A000002 is the Kolakoski sequence (what? For another time) and has value 2 in entry 2. The sequence continues: 1, 2, 1, 0, 2, 3, 0, 7, 8, 4, 63, 1, 316, …