1619195761

Appears in sequences

• E.g.f. 1/(2-cosh(x)) (even coefficients).at n=7A094088
• a(n) is the number of chains from {} to a top element in the poset of even sized subsets of {1,2,...,n} ordered by inclusion.at n=14A336012
• Triangle read by rows, T(n, k) = A094088(n) * binomial(n, k).at n=28A362586
• Triangle read by rows, T(n, k) = A094088(n) * binomial(n, k).at n=35A362586
• E.g.f.: (exp(-x) - exp(x) - 2)/(exp(-x) + exp(x) - 4).at n=14A375381