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 A246818 Number of standard Young tableaux with 2n cells where n is the largest value in the last row. 1
 1, 0, 1, 4, 32, 277, 3179, 41799, 632365, 10922385, 210953381, 4498975425, 105131807571, 2672061475343, 73358721633794, 2163013965362752, 68174082537113173, 2287395123402364673, 81397403660409278779, 3061825168335759481187, 121385088042529743488517, 5058460899905730365609710 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS Also the number of ballot sequences of length 2n having the last occurrence of the maximal value at position n. LINKS FORMULA a(n) = A238727(2n,n). CROSSREFS Cf. A238727. Sequence in context: A036725 A065089 A113329 * A145710 A264633 A319183 Adjacent sequences: A246815 A246816 A246817 * A246819 A246820 A246821 KEYWORD nonn AUTHOR Joerg Arndt and Alois P. Heinz, Sep 04 2014 STATUS approved

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Last modified December 4 19:07 EST 2022. Contains 358563 sequences. (Running on oeis4.)