-3276

Appears in sequences

• Expansion of e.g.f.: tan(tanh(x) * log(x+1)).at n=7A012652
• a(n) = Sum_{d|n, d==1 mod 4} d^3 - Sum_{d|n, d==3 mod 4} d^3.at n=14A050459
• a(n) = Sum_{d|n, d==1 mod 4} d^3 - Sum_{d|n, d==3 mod 4} d^3.at n=29A050459
• Triangular sequence of coefficients of a polynomial recursion for C_n and B_n Cartan matrices: p(x, n) = (-2 + x)*p(x, n - 1) - p(x, n - 2) p(x,n)=x2-4*x+4-m:m=4;(related sequence: A_n:m=1,G_n,m=3,B_n,C_n,m=2) This triangular sequence is an extension to the Cartan pattern of matrices.at n=60A136329
• Inverse binomial transform of A007910.at n=26A137505
• Inverse binomial transform of A007910.at n=28A137505
• Inverse binomial transform of A007910.at n=29A137505
• Expansion of q * chi(q^3) * chi(q^5) / (chi(q) * chi(q^15))^2 in powers of q where chi() is a Ramanujan theta function.at n=29A145786
• a(0) = -1, otherwise a(n) = (-1)^n*(n^3 - 15*n^2 + 2*n - 12)/6.at n=33A173248
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 163", based on the 5-celled von Neumann neighborhood.at n=41A270456
• Expansion of Sum_{k>0} x^(4*k)/(1+x^k)^4.at n=28A363616