172125
domain: N
Appears in sequences
- a(n) = (1/12)*(n+1)*(n^3+19*n^2+118*n+228).at n=34A092327
- Number of (w,x,y,z) with all terms in {1,...,n} and w>=2x and y<=3z.at n=30A212521
- Number of (n+2) X (6+2) 0..1 arrays with no 3 x 3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=15A258892
- Number of planar vertically indecomposable distributive lattices with n nodes.at n=33A345734
- Nonsquare positive integers k such that k = a*b = c*m + b and b^2 = a*m + c where m > 1, 0 < a, b, c < m.at n=9A347168