a(n) = Numerator(-2*n*HurwitzZeta(1 - 2*n, -1/2)) for n > 0, and a(0) = 1.

A335954

a(n) = Numerator(-2*n*HurwitzZeta(1 - 2*n, -1/2)) for n > 0, and a(0) = 1.

Terms

    a(0) =1a(1) =11a(2) =127a(3) =221a(4) =367a(5) =-1895a(6) =1447237a(7) =-57253a(8) =118526399a(9) =-5749677193a(10) =91546283957

External references