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A318357 Number of non-isomorphic strict multiset partitions of the multiset of prime indices of n. 1

%I

%S 1,1,1,1,1,2,1,2,1,2,1,3,1,2,2,2,1,3,1,3,2,2,1,5,1,2,2,3,1,3,1,3,2,2,

%T 2,4,1,2,2,5,1,3,1,3,3,2,1,7,1,3,2,3,1,5,2,5,2,2,1,7,1,2,3,4,2,3,1,3,

%U 2,3,1,9,1,2,3,3,2,3,1,7,2,2,1,7,2,2,2

%N Number of non-isomorphic strict multiset partitions of the multiset of prime indices of n.

%e Non-isomorphic representatives of the a(48) = 7 strict multiset partitions of {1,1,1,1,2}:

%e {{1,1,1,1,2}}

%e {{1},{1,1,1,2}}

%e {{2},{1,1,1,1}}

%e {{1,1},{1,1,2}}

%e {{1,2},{1,1,1}}

%e {{1},{2},{1,1,1}}

%e {{1},{1,1},{1,2}}

%Y Cf. A001055, A007716, A045778, A056239, A112798, A316980, A317533, A317776, A317791, A318287.

%K nonn

%O 1,6

%A _Gus Wiseman_, Aug 24 2018

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Last modified April 22 06:35 EDT 2019. Contains 322329 sequences. (Running on oeis4.)