-623

Appears in sequences

• E.g.f. tanh(log(1+x))*cosh(x).at n=7A009777
• Partial sums of A073579.at n=53A077039
• a(n) = 2*(-1)^n - (-5)^n.at n=4A081628
• Expansion of (1-5*x-x^2+x^3)/((1+x)*(1-x)^3).at n=24A141354
• a(n) = (-n^3 + 9n^2 - 5n + 3)/3.at n=16A161702
• a(n) = n^2 - (n-1)^2 - (n-2)^2 - ... - 1^2.at n=13A179297
• a(n)=1-4*n-4*n^2.at n=12A184882
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood.at n=13A270086
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood.at n=17A270688
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 313", based on the 5-celled von Neumann neighborhood.at n=15A271203
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 323", based on the 5-celled von Neumann neighborhood.at n=13A271256
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.at n=17A272255
• Irregular triangular array read by rows: row n shows the coefficients of this polynomial of degree n: (1/n!)*(numerator of n-th derivative of (1-x)/(x^2-3x+1)).at n=28A328646
• Numerator generator for offsets from the quarter points of the Cantor ternary set to the center points of deleted middle thirds: 1 is in the list and if m is in the list -3m-4 and -3m+4 are in the list, which is ordered by absolute value.at n=24A355680
• E.g.f. satisfies A(x) = exp(x * (1 + x)/A(x)^3).at n=4A365040