Number of partitions of n^2 into up to n parts each no more than 2n, or of n(3n+1)/2 into exactly n distinct parts each no more than 3n.

A109655

Number of partitions of n^2 into up to n parts each no more than 2n, or of n(3n+1)/2 into exactly n distinct parts each no more than 3n.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =8a(4) =33a(5) =141a(6) =676a(7) =3370a(8) =17575a(9) =94257a(10) =517971a(11) =2900900a(12) =16509188a(13) =95220378a(14) =555546058a(15) =3273480400a(16) =19456066175a(17) =116521302221a(18) =702567455381

External references