Number of planar n X n X n binary triangular grids with no more than 4 ones in any 5 X 5 X 5 subtriangle.

A153538

Number of planar n X n X n binary triangular grids with no more than 4 ones in any 5 X 5 X 5 subtriangle.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =57a(4) =386a(5) =1941a(6) =27034a(7) =643985a(8) =22001658a(9) =944060136a(10) =51294296160

External references