Apparently solves the identity: Find sequence A that represents the numbers of ordered compositions of n into the elements of the set {B}; and vice versa.

A224341

Apparently solves the identity: Find sequence A that represents the numbers of ordered compositions of n into the elements of the set {B}; and vice versa.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =7a(4) =13a(5) =25a(6) =46a(7) =86a(8) =161a(9) =301a(10) =562a(11) =1051a(12) =1964a(13) =3670a(14) =6859a(15) =12819a(16) =23956a(17) =44772a(18) =83673

External references