Number of set partitions of [n] such that each block has at most one odd element.

A363430

Number of set partitions of [n] such that each block has at most one odd element.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =10a(5) =17a(6) =77a(7) =141a(8) =799a(9) =1540a(10) =10427a(11) =20878a(12) =163967a(13) =338233a(14) =3017562a(15) =6376149a(16) =63625324a(17) =137144475a(18) =1512354975a(19) =3315122947a(20) =40012800675a(21) =88981537570

External references