148994

Appears in sequences

• Number of different groupings among the hierarchical orderings of n unlabeled elements.at n=11A104500
• 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, 1), (-1, 0, 0), (0, 0, 1), (0, 1, 0), (1, -1, -1)}.at n=11A149826
• Even composites m such that A003499(m)==6 (mod m).at n=21A338311