15430207

Appears in sequences

• E.g.f. 1/(2-cosh(x)) (even coefficients).at n=6A094088
• Number of m-shape ordered set partitions, square array read by ascending antidiagonals, A(m, n) for m, n >= 0.at n=42A260883
• Numerators of coefficients in expansion of 1/(2 - cos(sqrt(x))).at n=6A279235
• 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=12A336012
• Triangle read by rows, T(n, k) = A094088(n) * binomial(n, k).at n=21A362586
• Triangle read by rows, T(n, k) = A094088(n) * binomial(n, k).at n=27A362586
• E.g.f.: (exp(-x) - exp(x) - 2)/(exp(-x) + exp(x) - 4).at n=12A375381