Number of integer partitions of n that reduce to 2, meaning their Heinz number maps to 2 under A304464.

A319153

Number of integer partitions of n that reduce to 2, meaning their Heinz number maps to 2 under A304464.

Terms

    a(0) =0a(1) =2a(2) =1a(3) =3a(4) =5a(5) =7a(6) =12a(7) =17a(8) =24a(9) =33a(10) =44a(11) =57a(12) =76a(13) =100a(14) =129a(15) =168a(16) =214a(17) =282a(18) =355a(19) =462a(20) =586a(21) =755a(22) =937a(23) =1202a(24) =1493a(25) =1900a(26) =2349a(27) =2944a(28) =3621a(29) =4520

External references