Number of partitions of 2^n into at most four parts.

A274100

Number of partitions of 2^n into at most four parts.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =15a(4) =64a(5) =351a(6) =2280a(7) =16335a(8) =123464a(9) =959631a(10) =7566280a(11) =60090255a(12) =478968264a(13) =3824743311a(14) =30569959880a(15) =244447781775

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