Sum of entries in n-th antidiagonal in A060854.

A060935

Sum of entries in n-th antidiagonal in A060854.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =12a(4) =72a(5) =1010a(6) =36302a(7) =3501500a(8) =984382830a(9) =820391106394

External references