166257
domain: N
Appears in sequences
- Coefficients of Chebyshev polynomials.at n=25A005583
- Expansion of g.f. x*(1 + x)*(1 + 6*x + x^2)/(1 - x)^7.at n=13A006858
- Array T(n,m) = 2*(2m+3)!*(4n+2m+1)!/(m!*(m+2)!*n!*(3n+2m+3)!) read by antidiagonals.at n=38A146305
- a(n) = 7*binomial(4*n + 7, n)/(4*n + 7).at n=6A233658
- Triangle read by rows: the reversed x = 1+q Narayana triangle at m=3.at n=31A243663
- Number of triangulations of a fixed pentagon with n internal nodes.at n=6A341853
- The Fuss-Catalan triangle of order 3, read by rows. Related to quartic trees.at n=43A355174