-1093

Appears in sequences

• a(n) = (-1)^n * (3^n - 1)/2.at n=7A076040
• McKay-Thompson series of class 36f for the Monster group.at n=61A112176
• Triangle of coefficients of p(x,n) = (1/2)*(1-x)^(n+1)*Sum_{m >= 0} ((4*m+3)^n - (4*m+1)^n)*x^m, read by rows.at n=35A154854
• a(n) = A174817(n) - Mnr; where Mnr = A001228(26) = 808017424794512875886459904961710757005754368000000000, also called the Monster number, cf. A003131.at n=15A174818
• Coefficient of x in minimal polynomial of the continued fraction [2,1^n,2,1,1,...], where 1^n means n ones.at n=5A266709
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 115", based on the 5-celled von Neumann neighborhood.at n=17A270184
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 123", based on the 5-celled von Neumann neighborhood.at n=17A270213
• Numerator of the rational coefficient at the first power of Pi in Sum_{k>0} (sin(k)/k)^n.at n=9A274040
• a(n) = -n^3 + 70*n^2 - 939*n + 2393.at n=7A279538
• The q-analog T(q; n,k) of the triangle A163626 for 0 <= k <= n, for q = 2.at n=29A308326