217079

Appears in sequences

• Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 3 ones in any 5 X 5 X 5 subtriangle.at n=11A153927
• Number of compositions of n with at most one even part.at n=23A208354
• Number of n X 2 binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.at n=10A268989