-740

Appears in sequences

• Glaisher's function V(n).at n=10A002611
• McKay-Thompson series of class 10c for Monster.at n=27A058204
• a(n) = (n+1)*(2-n)/2.at n=39A080956
• Sum at 45 degrees to horizontal in triangle of A081498.at n=38A081499
• Triangle read by rows giving the coefficients of general sum formulas of n-th Fibonacci numbers (A000045). The k-th row (k>=1) contains T(i,k) for i=1 to 2*k-1, where T(i,k) satisfies F(n) = Sum_{k=1..n} Sum_{i=1..2*k-1} T(i,k) * C(n-k,i-1) * n^(n-k) / (n-1)!.at n=10A100492
• a(n) = -n^2 - n + 72.at n=28A110678
• a(n) = prime(n+3)*prime(n) - prime(n+1)*prime(n+2).at n=38A117301
• a(0) = 121; for n>0, a(n) = a(n-1) - n + 1.at n=42A137517
• Expansion of g.f. 1+x+(1+3*x+x^2)/(1+x)^3.at n=38A201163
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 147", based on the 5-celled von Neumann neighborhood.at n=15A270293
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=17A271019
• Numbers k in pairs (j,k), with j <> k +- 1, such that the sum of their cubes is equal to a centered cube number.at n=18A352136
• Expansion of 1/(Sum_{k>=0} x^(k^2))^3.at n=18A363775
• G.f. A(x) satisfies A(x) = 1 - x/A(x)^4 * (1 - A(x) - A(x)^5).at n=8A371913