This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A059994 #10 May 09 2021 11:19:31 %S A059994 2,4,5,10,16,17,31,48,79,87,111,185,187,254,259,425,432,557,627,875, %T A059994 922,1173,1232,1262,1776,1927,2446,2592,3485,3881,4655,4775,5122,6657, %U A059994 7399,8843,9068,9794,12546,13738,16439,16876,18398,22522,25136,29546,30842 %N A059994 Positions where number of periodic partitions increases. %F A059994 a(n) = A024994(A024995(n)). %e A059994 A024994 begins 1 1 1 2 1 4 1 4 3 5 1 10 ... so, %e A059994 A024995 begins 4 6 10 12 ... therefore, %e A059994 sequence begins 2 4 5 10 ... %K A059994 easy,nonn %O A059994 1,1 %A A059994 _Alford Arnold_, Mar 10 2001 %E A059994 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 29 2003