Partial products of A024816; a(1) = a(2) = 1.

A280982

Partial products of A024816; a(1) = a(2) = 1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =54a(5) =486a(6) =9720a(7) =204120a(8) =6531840a(9) =241678080a(10) =13050616320a(11) =652530816000

External references