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Number of partitions of n into at most 2 prime powers (including 1).
5

%I #5 Sep 09 2021 15:58:07

%S 1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,3,5,4,5,4,5,4,4,3,5,4,5,5,5,4,6,4,8,5,

%T 7,4,7,3,6,4,6,4,6,4,6,5,6,3,8,4,8,4,6,3,9,3,7,4,6,3,8,4,7,4,8,3,9,3,

%U 8,5,7,3,10,4,8,6

%N Number of partitions of n into at most 2 prime powers (including 1).

%Y Cf. A000961, A023893, A071330, A347644, A347645, A347646, A347647.

%K nonn

%O 0,3

%A _Ilya Gutkovskiy_, Sep 09 2021