A154084 Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 11.

4356, 22042, 45272, 88706, 98900, 136385, 149064, 106717, 64675, 36589, 21463, 11783, 8185, 7433, 7667, 7302, 7821, 7260, 6960, 7260, 7620, 7892, 6960, 7260, 6960, 7260, 8148, 7260, 6960, 7260, 6960, 7892, 7620, 7260, 6960, 7260, 7812, 7260, 7620

Offset

5,1

Links

Table of n, a(n) for n=5..43.

Crossrefs

Sequence in context: A068292 A185796 A250817 * A285040 A203928 A340457

Adjacent sequences: A154081 A154082 A154083 * A154085 A154086 A154087

Keyword

nonn

Author

R. H. Hardin Jan 04 2009

Status

approved