68664
domain: N
Appears in sequences
- Coordination sequence for lattice D*_12 (with edges defined by l_1 norm = 1).at n=5A035475
- Number of points of L1 norm 5 in cubic lattice Z^n.at n=12A035599
- Coordination sequence for 12-dimensional cubic lattice.at n=5A035707
- Number of nodes in virtual, "optimal", chordal graphs of diameter 5, degree =n+1.at n=21A067969
- Number of n-digit 6th powers.at n=31A216656
- G.f.: 1 / (1 + 6*x*G(x) - 7*x*G(x)^2), where G(x) = 1 + x*G(x)^3 is the g.f. of A001764.at n=7A226751
- Number of finite regions in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer x coordinates |x| = 1, 2, ...n.at n=23A392426