A091359 Number of planar partitions of n with exactly 5 rows.

1, 2, 5, 11, 24, 48, 94, 176, 324, 580, 1020, 1757, 2985, 4990, 8237, 13428, 21651, 34540, 54583, 85473, 132730, 204484, 312695, 474814, 716217, 1073558, 1599568, 2369781, 3491812, 5118490, 7465789, 10837964, 15661666, 22533586, 32284480

Offset: 5

Author

Christian G. Bower, Jan 02 2004

Keywords

• nonn

Crossrefs

Column 5 of A091355. Cf. A000219, A091356-A091360.

Formula

a(n) = A001452(n)-A002799(n).