A303857 Number of pairs (lambda,mu) of partitions lambda of n and mu of seven with mu <= lambda (by diagram containment).

15, 45, 99, 186, 314, 503, 759, 1119, 1590, 2231, 3047, 4135, 5496, 7273, 9478, 12300, 15771, 20169, 25528, 32230, 40370, 50440, 62595, 77528, 95454, 117305, 143453, 175090, 212803, 258201, 312087, 376603, 452975, 543952, 651285, 778642, 928419, 1105423

Offset

7,1

Links

Alois P. Heinz, Table of n, a(n) for n = 7..1000

Eric Weisstein's World of Mathematics, Ferrers Diagram

Wikipedia, Ferrers diagram

Crossrefs

Column k=7 of A259478.

Sequence in context: A194715 A060536 A014634 * A278337 A270563 A126228

Adjacent sequences: A303854 A303855 A303856 * A303858 A303859 A303860

Keyword

nonn

Author

Alois P. Heinz, May 01 2018

Status

approved