a(n) = floor((A002110(n) * A054272(n)) / A001248(n)).

A249747

a(n) = floor((A002110(n) * A054272(n)) / A001248(n)).

Terms

    a(0) =1a(1) =2a(2) =8a(3) =51a(4) =496a(5) =6041a(6) =97155a(7) =1746481a(8) =38377034a(9) =1053921489a(10) =31722366805

External references