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Revision History for A214021 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A214021 Number A(n,k) of n X k nonconsecutive tableaux; square array A(n,k), n>=0, k>=0, read by antidiagonals.
(history; published version)
#48 by Alois P. Heinz at Wed Jan 22 21:02:35 EST 2020
STATUS

reviewed

approved

#47 by Andrew Howroyd at Wed Jan 22 18:39:09 EST 2020
STATUS

proposed

reviewed

#46 by Michel Marcus at Wed Jan 22 11:15:32 EST 2020
STATUS

editing

proposed

#45 by Michel Marcus at Wed Jan 22 11:15:20 EST 2020
LINKS

T. Y. Chow, H. Eriksson and C. K. Fan, <a href="httphttps://www.combinatoricsdoi.org/Volume_11/Abstracts/v11i2a310.html37236/1895">Chess tableaux</a>, Elect. J. Combin., 11 (2) (2005), #A3.

S. Dulucq and O. Guibert, <a href="httphttps://www.sciencedirectdoi.com/science/articleorg/pii10.1016/S0012365X96830093S0012-365X(96)83009-3">Stack words, standard tableaux and Baxter permutations</a>, Disc. Math. 157 (1996), 91-106.

STATUS

approved

editing

Discussion
Wed Jan 22 11:15 
Michel Marcus: doi links
#44 by Alois P. Heinz at Thu Oct 11 15:46:38 EDT 2018
STATUS

editing

approved

#43 by Alois P. Heinz at Sat Oct 06 17:05:57 EDT 2018
EXAMPLE

[ [1 3 5 7]

[ [2 4 6 8].

[ [1, 5] [1, 4] [1, 3] [1, 4] [1, 3] [1, 3]

[ [2, 6] [2, 6] [2, 6] [2, 5] [2, 5] [2, 4]

[ [3, 7] [3, 7] [4, 7] [3, 7] [4, 7] [5, 7]

[ [4, 8] [5, 8] [5, 8] [6, 8] [6, 8] [6, 8].

1, 1, 1, 1, 1, 1, 1, ...

1, 1, 0, 0, 0, 0, 0, ...

1, 1, 1, 1, 1, 1, 1, ...

1, 1, 2, 6, 22, 92, 422, ...

1, 1, 6, 72, 1289, 29889, 831174, ...

1, 1, 18, 960, 93964, 13652068, 2621897048, ...

1, 1, 57, 14257, 8203915, 8134044455, 11865331748843, ...

STATUS

approved

editing

#42 by Alois P. Heinz at Mon Feb 06 14:45:29 EST 2017
STATUS

editing

approved

#41 by Alois P. Heinz at Mon Feb 06 14:45:23 EST 2017
LINKS

Wikipedia, <a href="httphttps://en.wikipedia.org/wiki/Young_tableau">Young tableau</a>

STATUS

approved

editing

#40 by OEIS Server at Tue Nov 03 17:38:06 EST 2015
LINKS

Alois P. Heinz, <a href="/A214021/b214021_1.txt">Antidiagonals n = 0..23, flattened</a>

#39 by Alois P. Heinz at Tue Nov 03 17:38:06 EST 2015
STATUS

editing

approved

Discussion
Tue Nov 03 17:38 
OEIS Server: Installed new b-file as b214021.txt.  Old b-file is now b214021_1.txt.

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Last modified August 29 21:13 EDT 2024. Contains 375518 sequences. (Running on oeis4.)