19725
domain: N
Appears in sequences
- Expansion of g.f.: x^5/((1-3*x)*(1-4*x)*(1-5*x)*(1 - 8*x + 13*x^2)).at n=8A123954
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (1, -1, 1), (1, 0, 1), (1, 1, -1), (1, 1, 1)}.at n=7A151008
- Composites that are the sum of two, three, four and five consecutive composite numbers.at n=22A151745
- Number of (w,x,y,z) with all terms in {1,...,n} and w*x<=y*z+1.at n=14A212053
- Number of non-equivalent (mod D_3) ways to arrange 3 indistinguishable points on a triangular grid of side n so that no three points are collinear.at n=11A234351
- Expansion of 1 / ((1-x)^2*(1-x^2)*(1-x^3)*...*(1-x^6)).at n=36A288341