A167259 T(n,m) = Number of ways to partition an nXm grid into 3 connected equal-area regions.

0, 0, 0, 1, 0, 1, 0, 3, 3, 0, 0, 0, 10, 0, 0, 1, 0, 23, 23, 0, 1, 0, 9, 56, 0, 56, 9, 0, 0, 0, 132, 0, 0, 132, 0, 0, 1, 0, 259, 1787, 0, 1787, 259, 0, 1, 0, 19, 546, 0, 22889, 22889, 0, 546, 19, 0, 0, 0, 1095, 0, 0, 264500, 0, 0, 1095, 0, 0, 1, 0, 2043, 72105, 0

Offset

1,8

Links

Table of n, a(n) for n=1..71.

Crossrefs

Sequence in context: A180995 A144331 A216805 * A303650 A248625 A000876

Adjacent sequences: A167256 A167257 A167258 * A167260 A167261 A167262

Keyword

nonn,tabl

Author

R. H. Hardin Oct 31 2009

Status

approved