54964
domain: N
Appears in sequences
- Numbers whose set of base-15 digits is {1,4}.at n=37A032827
- Expansion of (1+3*x^2+7*x^3+15*x^4+13*x^5+15*x^6+8*x^7+4*x^8)/((1-x)*(1-x^2)^3*(1-x^3)^2).at n=22A037241
- a(n) = T(2n+2,n), array T as in A055818.at n=6A055826
- Triangle read by rows: T(n,k) is the number of dissections of a convex n-gon by nonintersecting diagonals, having exactly k triangles (n >= 2, k >= 0).at n=58A090985
- Number of (w,x,y,z) with all terms in {1,...,n} and w+x>=2y+2z.at n=25A212565