A diagonal of table A125781: a(n) = A125781(n,n+1).

A125788

A diagonal of table A125781: a(n) = A125781(n,n+1).

Terms

    a(0) =1a(1) =3a(2) =14a(3) =91a(4) =739a(5) =8200a(6) =103545a(7) =1454823a(8) =22446667a(9) =434412701a(10) =8858524146a(11) =190620224636

External references