a(n) = A054413(n-1)^2, n >= 1.

A099367

a(n) = A054413(n-1)^2, n >= 1.

Terms

    a(0) =0a(1) =1a(2) =49a(3) =2500a(4) =127449a(5) =6497401a(6) =331240000a(7) =16886742601a(8) =860892632649

External references