268017750domain: NAppears in sequencesExpansion of e.g.f. 1 / (1 + x * log(1 - x^4/24)).at n=17A375558Triangle T(n, k) read by rows: T(n, k) = 2^n*binomial(2*n + 1, 2*k + 1) * Pochhammer(1/2, n - k) * Pochhammer(1/2, k).at n=40A380281