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 A322812 #8 Dec 27 2018 17:35:55 %S A322812 0,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,2,2,1,1,1,1,2,2,2,1,1,1,1,2,2,2, %T A322812 2,1,2,2,1,1,1,1,2,1,1,1,2,1,1,3,2,1,1,2,1,3,2,1,1,1,2,2,2,2,1,1,3,3, %U A322812 1,1,1,1,2,2,3,2,2,1,1,1,2,1,2,2,2,2,1,1,1,2,3,3,3,3,1,1,1,2,2,1,1,1,2,2 %N A322812 a(n) = A001221(A048675(n)). %H A322812 Antti Karttunen, <a href="/A322812/b322812.txt">Table of n, a(n) for n = 2..10000</a> %F A322812 a(n) = A001221(A048675(n)). %F A322812 a(n) <= A277892(n). %o A322812 (PARI) %o A322812 A048675(n) = my(f = factor(n)); sum(k=1, #f~, f[k, 2]*2^primepi(f[k, 1]))/2; \\ From A048675 %o A322812 A322812(n) = omega(A048675(n)); %Y A322812 Cf. A001221, A048675, A277892, A322811, A322815, A322816. %K A322812 nonn %O A322812 2,14 %A A322812 _Antti Karttunen_, Dec 27 2018