a(n) = Sum_{k=0..n} A369134(n, k).

A369120

a(n) = Sum_{k=0..n} A369134(n, k).

Terms

    a(0) =-1a(1) =1a(2) =-1a(3) =10a(4) =-21a(5) =1050a(6) =-45606a(7) =6306300a(8) =-32585553a(9) =5332033850a(10) =-646674981498

External references