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A299294
Number of order ideals of type e^(0)_n.
0
2, 4, 7, 17, 30, 80, 143, 404, 728, 2140, 3876, 11729, 21318, 65952, 120175, 378321, 690690, 2205168, 4032015, 13023324, 23841480, 77761008, 142498692
OFFSET
0,1
LINKS
Anthony Zaleski, Doron Zeilberger, On the Intriguing Problem of Counting (n+1,n+2)-Core Partitions into Odd Parts, arXiv:1712.10072 [math.CO], 2017.
CROSSREFS
Sequence in context: A301745 A348449 A026775 * A299102 A027238 A299293
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 17 2018
STATUS
approved