The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A219122

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A219122

Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 n X n array.
(history; published version)

#7 by Wesley Ivan Hurt at Fri May 19 15:21:47 EDT 2023

STATUS

editing

approved

#6 by Wesley Ivan Hurt at Fri May 19 15:21:34 EDT 2023

NAME

Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 n X n array.

COMMENTS

Diagonal of A219128.

CROSSREFS

Cf. A219128.

AUTHOR

R. H. Hardin , Nov 12 2012

STATUS

approved

editing

#5 by Charles R Greathouse IV at Fri Dec 18 18:18:15 EST 2015

NAME

Number of nXn n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 nXn n X n array

Discussion

Fri Dec 18

18:18

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

#4 by R. H. Hardin at Mon Nov 12 18:59:27 EST 2012

STATUS

editing

approved

#3 by R. H. Hardin at Mon Nov 12 18:59:24 EST 2012

NAME

allocated for R. H. Hardin

Number of nXn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 nXn array

DATA

3, 15, 787, 42231, 20168447, 12934559893, 54444733905291

OFFSET

1,1

COMMENTS

Diagonal of A219128

EXAMPLE

Some solutions for n=3

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Nov 12 2012

STATUS

approved

editing

#2 by R. H. Hardin at Mon Nov 12 18:49:02 EST 2012

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Mon Nov 12 18:49:02 EST 2012

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved