Number of colored integer partitions of n using all colors of a 2-set such that parts i have distinct color patterns in arbitrary order and each pattern for a part i has i colors in (weakly) increasing order.

A327890

Number of colored integer partitions of n using all colors of a 2-set such that parts i have distinct color patterns in arbitrary order and each pattern for a part i has i colors in (weakly) increasing order.

Terms

    a(0) =0a(1) =0a(2) =3a(3) =6a(4) =21a(5) =42a(6) =90a(7) =176a(8) =348a(9) =640a(10) =1203a(11) =2152a(12) =3848a(13) =6692a(14) =11701a(15) =19968a(16) =33966a(17) =56952a(18) =95300a(19) =157326a(20) =258736a(21) =421240a(22) =683804a(23) =1099830a(24) =1762867a(25) =2805154a(26) =4446826a(27) =7005486a(28) =10999634a(29) =17172894

External references