a(n) = Sum_{k=0..n} Stirling2(n,k) * binomial(8*k,k) / (7*k + 1).

A346769

a(n) = Sum_{k=0..n} Stirling2(n,k) * binomial(8*k,k) / (7*k + 1).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =117a(4) =1849a(5) =33099a(6) =648683a(7) =13652529a(8) =304828941a(9) =7160371928a(10) =175882500852

External references