114611

Appears in sequences

• a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 1, -1, 1, 1.at n=27A025258
• Number of positive integers <= 2^n of form 8 x^2 + 9 y^2.at n=21A054191
• Triangular array of coefficients of polynomials p(n,k) defined in Comments.at n=23A248664
• Triangular array of coefficients of polynomials p(n,x) defined in Comments; these are the polynomials defined at A248664, but here the coefficients are written in the order of decreasing powers of x.at n=25A248665