Antidiagonal products of A319840.

A370753

Antidiagonal products of A319840.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =36a(4) =576a(5) =12800a(6) =360000a(7) =12192768a(8) =481890304a(9) =21743271936

External references