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 A125369 #9 Apr 30 2025 15:18:14
%S A125369 1,32,268,1772,13748,108132,871228,7113068,58698164,488329172,
%T A125369 4089121128,34423417280,291070095356,2470369205804,21033518369320,
%U A125369 179580640999392,1536920470892852,13181385142142708,113261618364481612
%N A125369 Number of base 32 circular n-digit numbers with adjacent digits differing by 4 or less.
%C A125369 [Empirical] a(base,n)=a(base-1,n)+A025014(n+1) for base>=4.int(n/2)+1
%H A125369 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 A125369 (S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>4)+($[(i+1)mod N]`-$[i]`>4))
%K A125369 nonn,base
%O A125369 0,2
%A A125369 _R. H. Hardin_, Dec 28 2006