The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A264999

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A264999

Number of n X n arrays containing n copies of 0..n-1 with rows and columns nondecreasing.
(history; published version)

#7 by N. J. A. Sloane at Fri Aug 12 06:53:58 EDT 2016

NAME

Number of n X n arrays of permutations containing n copies of 0..n-1 with rows and columns nondecreasing.

Discussion

Fri Aug 12

06:53

OEIS Server: https://oeis.org/edit/global/2542

#6 by N. J. A. Sloane at Fri Aug 12 06:38:56 EDT 2016

NAME

Number of n X n arrays of permutations of containing n copies of 0..n-1 with rows and columns nondecreasing.

Discussion

Fri Aug 12

06:38

OEIS Server: https://oeis.org/edit/global/2540

#5 by Charles R Greathouse IV at Fri Dec 18 18:18:54 EST 2015

NAME

Number of nXn n X n arrays of permutations of n copies of 0..n-1 with rows and columns nondecreasing.

Discussion

Fri Dec 18

18:18

OEIS Server: https://oeis.org/edit/global/2478

#4 by R. H. Hardin at Sun Nov 29 16:05:38 EST 2015

STATUS

editing

approved

#3 by R. H. Hardin at Sun Nov 29 16:05:35 EST 2015

NAME

allocated for R. H. Hardin

Number of nXn arrays of permutations of n copies of 0..n-1 with rows and columns nondecreasing.

DATA

1, 2, 7, 112, 4919, 1268728, 1001060834, 4031708477982

OFFSET

1,2

COMMENTS

Diagonal of A265005.

EXAMPLE

Some solutions for n=4

..0..0..0..1....0..0..1..3....0..0..1..3....0..0..0..1....0..0..0..2

..0..1..2..2....0..1..1..3....0..1..1..3....0..1..1..1....0..1..1..3

..1..1..3..3....0..1..2..3....0..2..2..3....2..2..2..2....1..1..2..3

..2..2..3..3....2..2..2..3....1..2..2..3....3..3..3..3....2..2..3..3

CROSSREFS

Cf. A265005.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Nov 29 2015

STATUS

approved

editing

#2 by R. H. Hardin at Sun Nov 29 16:04:12 EST 2015

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Sun Nov 29 16:04:12 EST 2015

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved