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A215555 a(n) = binomial(11*n,n)*(9*n+1)/(10*n+1). 2
1, 10, 209, 4928, 122507, 3137706, 81921840, 2167714560, 57928578191, 1559830082888, 42254306265171, 1150225193717600, 31437550449182800, 862165662720962754, 23713320186494219820, 653855026849948319616, 18068367354658442882775, 500254126810079793897130 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Number of standard Young tableaux of shape [10n,n].

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..210

Wikipedia, Young tableau

FORMULA

a(n) = C(11*n,n)*(9*n+1)/(10*n+1).

MAPLE

a:= n-> binomial(11*n, n)*(9*n+1)/(10*n+1):

seq(a(n), n=0..20);

CROSSREFS

Column k=10 of A214776.

Sequence in context: A245918 A211107 A335673 * A069863 A160476 A067642

Adjacent sequences:  A215552 A215553 A215554 * A215556 A215557 A215558

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 15 2012

STATUS

approved

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Last modified December 7 22:22 EST 2021. Contains 349589 sequences. (Running on oeis4.)