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 A125291 #6 Feb 16 2025 08:33:04 %S A125291 1,1,1,1,3,1,4,1,1,1,6,1,1,8,8,9,9,1,10,1,11,12,12,1,13,1,1,1,15,1,1, %T A125291 17,17,18,18,1,1,20,1,1,21,22,22,23,23,24,24,25,25,26,26,27,27,1,28,1, %U A125291 29,30,30,1,31,1,32,33,33,34,34,35,35,36,36,1,37,1,38,39,39,1,40,1,1,1,42 %N A125291 Number of partitions of n into positive digit values of its ternary representation. %C A125291 a(A125292(n))=1; a(A125293(n))=floor((n+2)/2)=A008619(n). %H A125291 R. Zumkeller, <a href="/A125291/b125291.txt">Table of n, a(n) for n = 1..10000</a> %H A125291 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Ternary.html">Ternary</a> %F A125291 a(n) = 1 + floor(n/2) * (1 - 0^(A062756(n)*A081603(n))). %Y A125291 Cf. A007089, A061827. %K A125291 nonn,base %O A125291 1,5 %A A125291 _Reinhard Zumkeller_, Nov 26 2006