72704

Appears in sequences

• a(n+1) = (n+1)*a(n) + Sum_{k=1..n-1} a(k)*a(n-k).at n=7A006014
• Expansion of e.g.f. tan(x)*tan(tanh(x)), even powers only.at n=5A009751
• Matrix log of triangle A111835, which shifts columns left and up under matrix 8th power; these terms are the result of multiplying each element in row n and column k by (n-k)!.at n=24A111838
• Fixed-k dispersion for Q = 13: array D(g,h) (g, h >= 1), read by ascending antidiagonals.at n=40A120863
• Numbers with 22 divisors.at n=18A137485
• a(n) = 3*a(n-1) + a(n-2) with a(0)=2 and a(1)=5.at n=9A180148
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.at n=16A288067
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 453", based on the 5-celled von Neumann neighborhood.at n=16A288368
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 462", based on the 5-celled von Neumann neighborhood.at n=50A288437