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

Author

Alois P. Heinz, May 01 2018

Keywords

• nonn

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.