88320

Appears in sequences

• Number of inequivalent ways to color vertices of a regular tetrahedron using <= n colors.at n=32A006008
• Expansion of log(1+sinh(x))/cosh(x).at n=9A009355
• Least m such that A081212(m) = n.at n=5A081214
• Number of 3-step king's tours on an n X n board summed over all starting positions.at n=40A186862
• Sum_{0<j<k<=n} (k^4-j^4).at n=7A206811
• The greedy sequence of real numbers at least 1 that do not contain any 3-term geometric progressions with integer ratio.at n=39A235054
• 2-dimensional array T(n, k) listed by antidiagonals for n >= 2, k >= 1 giving the number of acyclic paths of length k in the graph G(n) whose vertices are the integer lattice points (p, q) with 0 <= p, q < n and with an edge between v and w iff the line segment [v, w] contains no other integer lattice points.at n=18A247944
• Numbers n such that the n-th generation of Sawtooth 201 has minimum population in Conway's Game of Life.at n=2A257319
• Number of n X 3 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=19A298570
• a(n) = exp(-1/4) * Sum_{k>=0} (4*k - 1)^n / (4^k * k!).at n=7A337040
• E.g.f. satisfies log(A(x)) = x^3/6 * (exp(x) - 1) * A(x).at n=10A356952