-895

Appears in sequences

• H_n(-1/2), where H_n(x) is Hermite polynomial of degree n.at n=8A000321
• Expansion of e.g.f. cos(sinh(sin(x))), even terms only.at n=4A009054
• Expansion of e.g.f.: exp(sin(sinh(x))).at n=8A009202
• Expansion of 1/(1+2*x+2*x^2-x^3).at n=15A077992
• Exponential Riordan array (e^(-x(1+x)),x).at n=36A122833
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(3i-2j, 3j-2i), as in A204158.at n=10A204159
• Govindarajan's triangle beta arising in enumeration of multi-dimensional partitions, read by rows.at n=17A216808
• The c coefficients of the transform a*x^2 + (4*a/k - b)*x + 4*a/k^2 + 2*b/k + c = 0 for a,b,c = 1,-1,-1, k = 1,2,3...at n=30A229526
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood.at n=17A270209
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood.at n=17A272546
• Expansion of e.g.f.: exp(x * (1 - x)).at n=8A293604
• Product_{n>=1} (1 + x^n)^a(n) = 1 + Sum_{n>=1} phi(n) * x^n, where phi = A000010.at n=21A328774
• Square array A(n,k), n >= 0, k >= 1, read by antidiagonals downwards, where column k is the expansion of e.g.f. exp(-Sum_{j=1..k} x^j).at n=53A334561
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/2)} (-k/2)^j * binomial(n-j,j)/(n-j)!.at n=63A362277