Main diagonal of the array A380841.

A380842

Main diagonal of the array A380841.

Terms

    a(0) =1a(1) =1a(2) =10a(3) =141a(4) =2776a(5) =70045a(6) =2157156a(7) =78452521a(8) =3290644288a(9) =156380715801

External references