Diagonal of square array A081297.

A081299

Diagonal of square array A081297.

Terms

    a(0) =1a(1) =3a(2) =13a(3) =181a(4) =1281a(5) =32551a(6) =314245a(7) =11638089a(8) =141943681a(9) =6914792611a(10) =101829922701

External references