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 A324286 #9 Feb 24 2019 01:58:50 %S A324286 0,1,1,1,1,2,1,2,1,3,1,1,1,4,2,1,1,3,1,2,3,5,1,3,1,6,2,3,1,3,1,3,4,7, %T A324286 2,2,1,8,5,3,1,5,1,4,1,9,1,2,1,4,6,5,1,3,3,5,7,10,1,1,1,11,2,2,4,7,1, %U A324286 6,8,5,1,3,1,12,3,7,2,9,1,1,1,13,1,2,5,14,9,7,1,4,3,8,10,15,6,3,1,5,3,3,1,11,1,9,3 %N A324286 a(n) = A002487(A048675(n)). %C A324286 Like A323902 and A323903, this also has quite a moderate growth rate, even though some terms of A048675 soon grow quite big. %H A324286 Antti Karttunen, <a href="/A324286/b324286.txt">Table of n, a(n) for n = 1..65537</a> %H A324286 <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a> %H A324286 <a href="/index/St#Stern">Index entries for sequences related to Stern's sequences</a> %F A324286 a(n) = A002487(A048675(n)) = A002487(A322821(n)). %F A324286 a(A283477(n)) = A324287(n). %o A324286 (PARI) %o A324286 A002487(n) = { my(s=sign(n), a=1, b=0); n = abs(n); while(n>0, if(bitand(n, 1), b+=a, a+=b); n>>=1); (s*b); }; %o A324286 A048675(n) = { my(f = factor(n)); sum(k=1, #f~, f[k, 2]*2^primepi(f[k, 1]))/2; }; \\ From A048675 %o A324286 A324286(n) = A002487(A048675(n)); %Y A324286 Cf. A002487, A048675, A283477, A322821, A323902, A323903, A324287. %K A324286 nonn %O A324286 1,6 %A A324286 _Antti Karttunen_, Feb 22 2019