-121856

Appears in sequences

• Numerators of the inverse binomial transform of the Leibniz series for Pi/4.at n=7A173296
• T(n, k) = 2^n * n! * [x^k] [z^n] (exp(z) + 1)^2/(4*exp(x*z)), triangle read by rows, for 0 <= k <= n.at n=39A326479