-17408

Appears in sequences

• Expansion of 1/(1+2*x+2*x^2+2*x^3).at n=23A077993
• Inverse binary transform of A027656.at n=13A081037
• Triangle T(n,k) by rows: coefficient [x^(n-k)] of 2^n * n! *L(n,1/2,x), with L the generalized Laguerre polynomials in the Abramowitz-Stegun normalization.at n=37A098503
• Coefficient list of ChebyshevU(n, 1-x).at n=52A100551
• A signed triangle of V. I. Arnold for the Springer numbers (A001586).at n=28A256679
• Site percolation series for triangular lattice: coefficients of the power series expansion in powers of q=1-p of the probability that a given open site belongs to the infinite cluster, where p is the probability that a site is open.at n=18A391391