Number of pairs (c, y) where c is an integer composition and y is an integer partition and y can be obtained from c by choosing a partition of each part, flattening, and sorting.

A318567

Number of pairs (c, y) where c is an integer composition and y is an integer partition and y can be obtained from c by choosing a partition of each part, flattening, and sorting.

Terms

    a(0) =1a(1) =3a(2) =8a(3) =21a(4) =54a(5) =137a(6) =343a(7) =847a(8) =2075a(9) =5031a(10) =12109a(11) =28921a(12) =68633a(13) =161865a(14) =379655

External references