111243

Appears in sequences

• Trajectory of 18 under iteration of the map k -> A087712(k).at n=24A077960
• Coordination sequence for 18-dimensional cyclotomic lattice Z[zeta_27].at n=6A126920
• 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, -1, 0), (-1, 0, 1), (0, 0, -1), (1, 0, 0), (1, 1, 0)}.at n=9A150344
• Strictly superdiagonal compositions: compositions (p1, p2, p3, ...) of n such that pi > i.at n=47A238874