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 A347550 #17 Sep 08 2021 21:49:38
%S A347550 1,0,1,1,0,2,0,2,1,1,1,1,1,2,1,1,2,1,2,2,2,1,2,1,3,1,2,0,2,1,3,2,2,1,
%T A347550 3,0,4,1,1,1,3,1,4,2,3,1,3,1,5,1,4,0,3,1,5,1,3,0,3,1,6,2,2,1,5,0,6,1,
%U A347550 2,1,5,1,6,2,4,1,5,0,7,1,4,1,4,1,8,1,4
%N A347550 Number of partitions of n into at most 2 distinct prime parts.
%F A347550 a(n) = Sum_{k=0..2} A219180(n,k). - _Alois P. Heinz_, Sep 08 2021
%Y A347550 Cf. A000040, A000586, A117929, A219180, A223893.
%K A347550 nonn
%O A347550 0,6
%A A347550 _Ilya Gutkovskiy_, Sep 08 2021