Twice partitioned numbers: the number of ways a number can be partitioned into not necessarily different parts and each part is again so partitioned.

A063834

Twice partitioned numbers: the number of ways a number can be partitioned into not necessarily different parts and each part is again so partitioned.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =6a(4) =15a(5) =28a(6) =66a(7) =122a(8) =266a(9) =503a(10) =1027a(11) =1913a(12) =3874a(13) =7099a(14) =13799a(15) =25501a(16) =48508a(17) =88295a(18) =165942a(19) =299649a(20) =554545a(21) =997281a(22) =1817984a(23) =3245430a(24) =5875438a(25) =10410768a(26) =18635587a(27) =32885735a(28) =58399350a(29) =102381103

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