-1089

Appears in sequences

• Coefficients of modular function G_3(tau).at n=36A005761
• Start with 1, add the next number if one gets a prime then add the next number else subtract the next...at n=48A074170
• Determinant of the n X n tridiagonal matrix M with the elements on the diagonals equal to 1, except M(n,n-1)=M(n-1,n)=n.at n=31A080322
• Matrix logarithm of triangle A113287.at n=56A113290
• Triangle, read by rows, equal to the matrix inverse of Q=A113381.at n=24A114158
• Triangle read by rows: T(n, k) is the coefficient of x^k in the polynomial 1 - T_n(x)^2, where T_n(x) is the n-th Hermite polynomial of the Hochstadt kind (A137286) as related to the generalized Chebyshev in a Shabat way (A123583): p(x,n)=x*p(x,n-1)-p(x,n-2); q(x,n)=1-p(x,n)^2.at n=27A136667
• Hankel transform of expansion of 1/c(x)^3, c(x) the g.f. of A000108.at n=31A144701
• G.f.: Product_{n>=1} (1 - Lucas(n)*x^n + (-1)^n*x^(2*n))^3 where Lucas(n) = A000204(n).at n=25A203861
• G.f. satisfies A(x) = 1 + x/(1 + x^3) * A(x/(1 + x^3)).at n=14A360898