-1517

Appears in sequences

• Expansion of tanh(tanh(x))*exp(x).at n=7A009821
• Expansion of e.g.f.: exp(sinh(x)-log(x+1))=1+1/2!*x^2-1/3!*x^3+9/4!*x^4-33/5!*x^5...at n=7A013488
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 7.at n=38A060026
• Expansion of 1/(1-x+2*x^2+2*x^3).at n=16A077956
• Expansion of 1/(1+x+2*x^2-2*x^3).at n=16A077977
• a(n) = -n^2 + 9*n + 23.at n=44A126719
• Coefficient Expansion sequence of a Weaver Morse Code polynomial (using Cyclotomic prime base dot, dash, letter space and word space symbols): p(x) = -5 - 10 x - 12 x^2 - 10 x^3 - 7 x^4 - 3 x^5 + 5 x^7 + 8 x^8 + 9 x^9 + 8 x^10 + 6 x^11 + 3 x^12 + x^13.at n=22A143389
• Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1+x-x^2)^(n+1)*Sum_{j >= 0} (j+1)^n*(-x + x^2)^j.at n=61A156890
• Numerator of Laguerre(n, 6).at n=11A160631
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 113", based on the 5-celled von Neumann neighborhood.at n=23A270180
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood.at n=21A270235