A166218 Number of 10X10X10 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n

1, 101, 3980, 104510, 1598732, 16474555, 140020892, 931368996, 5087344969, 25012399727, 106992734072, 406769105056, 1447700846889, 4710009299519, 14166568176196

Offset

0,2

Links

Table of n, a(n) for n=0..14.

Crossrefs

Sequence in context: A215119 A210169 A027900 * A167626 A017764 A217677

Adjacent sequences: A166215 A166216 A166217 * A166219 A166220 A166221

Keyword

nonn

Author

R. H. Hardin Oct 09 2009

Status

approved