-1799

Appears in sequences

• Expansion of e.g.f. arctan(arctanh(x)*cos(x)) (odd powers only).at n=3A012742
• Triangle of Salie numbers T(n,k) for negative n,k, n < k.at n=24A098435
• a(n)=(7/4)*(1+3*(-7)^(n-1)).at n=4A165639
• a(n) = a(n-1) + a(n-2) - a(n-3) - a(n-8), starting 1,1,2,2,3,3,4,4.at n=38A172397
• T(n, k) = [x^k] Sum_{j=0..n} j!*binomial(x, j), for 0 <= k <= n, triangle read by rows.at n=41A176663
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 429", based on the 5-celled von Neumann neighborhood.at n=23A272114
• a(n) = n! * Sum_{k=0..n} (-1)^(n-k) * k^3 / k!.at n=7A368716
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) = n! * Sum_{j=0..n} (-1)^(n-j) * j^k/j!.at n=62A368724