-2912

Appears in sequences

• Expansion of ( Sum_{n = -infinity..infinity} x^(n^2) )^(-12).at n=3A004413
• Array of coefficients of P(n,x) = det (M(n,x)) where M(n,x) is the n X n matrix m(i,j)=x if i>j m(i,j)=1-x if i<=j.at n=50A079628
• The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n, 0 < r <= n (see Example).at n=12A110426
• Expansion of -1/(1 + x + x^2 + x^3 + x^4 - x^5).at n=44A124314
• 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=5;(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=60A136321
• a(n) = Glaisher's function beta(2n+1).at n=13A322032