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 A125342 #9 Apr 30 2025 15:08:57
%S A125342 1,32,212,1100,6700,41252,260276,1663260,10741356,69920372,458065232,
%T A125342 3016606328,19952674708,132459700444,882141536432,5890902558440,
%U A125342 39433549800556,264525710537012,1777811473603544,11968319215904376
%N A125342 Number of base 32 circular n-digit numbers with adjacent digits differing by 3 or less.
%C A125342 [Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1
%H A125342 OEIS Wiki, <a href="/wiki/Number_of_base_k_circular_n-digit_numbers_with_adjacent_digits_differing_by_d_or_less">Number of base k circular n-digit numbers with adjacent digits differing by d or less</a>
%o A125342 (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>3)+($[(i+1)mod N]`-$[i]`>3))
%K A125342 nonn,base
%O A125342 0,2
%A A125342 _R. H. Hardin_, Dec 28 2006