-2457
domain: Z
Appears in sequences
- Expansion of (1-x)^(-1)/(1-x+2*x^3).at n=22A077870
- Expansion of (1-x)/(1+2*x+x^2+2*x^3).at n=11A078066
- Expansion of (1 + x + x^2)/(1 - x^3 + x^4).at n=58A124750
- Inverse binomial transform of 1, 2, 2, 4, 10, 20, ... = A100088.at n=23A137470
- Numerators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial u_n(x), used to approximate x->sin(Pi*x)/Pi.at n=26A144846
- Coefficients in asymptotic expansion of sequence A293259.at n=6A293265