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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.

A349906 Number of factorizations of n into even factors > 1 (a(1) = 1 by convention).

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%I A349906 #10 Dec 15 2021 17:38:01
%S A349906 1,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,7,0,1,
%T A349906 0,3,0,1,0,4,0,1,0,2,0,1,0,7,0,1,0,2,0,1,0,4,0,1,0,3,0,1,0,11,0,1,0,2,
%U A349906 0,1,0,6,0,1,0,2,0,1,0,7,0,1,0,3,0,1,0,4,0,1,0,2,0,1,0,12,0,1,0,3,0,1,0,4,0
%N A349906 Number of factorizations of n into even factors > 1 (a(1) = 1 by convention).
%H A349906 Antti Karttunen, <a href="/A349906/b349906.txt">Table of n, a(n) for n = 1..20000</a>
%o A349906 (PARI) A349906(n, m=n) = if(1==n, 1, my(s=0); fordiv(n, d, if((d>1)&&(d<=m)&&!(d%2), s += A349906(n/d, d))); (s));
%Y A349906 Cf. A001055, A340785 (even bisection), A349907.
%K A349906 nonn
%O A349906 1,4
%A A349906 _Antti Karttunen_, Dec 13 2021