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A303853
Number of pairs (lambda,mu) of partitions lambda of n and mu of three with mu <= lambda (by diagram containment).
2
3, 7, 13, 23, 35, 54, 78, 112, 154, 215, 287, 387, 510, 673, 871, 1133, 1448, 1857, 2352, 2980, 3739, 4697, 5846, 7278, 9000, 11122, 13663, 16778, 20492, 25011, 30393, 36892, 44611, 53891, 64871, 78003, 93513, 111970, 133705, 159476, 189737, 225477, 267354
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Ferrers Diagram
Wikipedia, Ferrers diagram
CROSSREFS
Column k=3 of A259478.
Sequence in context: A124129 A101301 A103116 * A075321 A258030 A164787
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 01 2018
STATUS
approved