143784

Appears in sequences

• Number of ways to place zero or more nonadjacent 2,1 2,2 3,1 4,0 4,1 5,2 6,3 6,4 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155438
• Number of 7-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.at n=19A187177
• Number of nX5 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2.at n=7A275501
• Numbers k such that Bernoulli number B_{k} has denominator 140100870.at n=17A295599