login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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

Table of n, a(n) for n=0..21.

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

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