The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A183414 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A183414

Number of n X n 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j
(history; published version)

#6 by Charles R Greathouse IV at Fri Dec 18 18:17:32 EST 2015

NAME

Number of nXn n X n 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j

Discussion

Fri Dec 18

18:17

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

#5 by Russ Cox at Sat Mar 31 12:35:51 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Jan 04 2011

Discussion

Sat Mar 31

12:35

OEIS Server: https://oeis.org/edit/global/875

#4 by Ron Hardin at Tue Jan 04 14:01:15 EST 2011

STATUS

proposed

approved

#3 by Ron Hardin at Tue Jan 04 14:00:57 EST 2011

NAME

allocated for Ron HardinNumber of nXn 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j

DATA

2, 34, 5257, 7798591, 108917015732, 14221257369534380, 17218452637947555486763

OFFSET

1,1

COMMENTS

Diagonal of A183419

EXAMPLE

Some solutions for 4X4

..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Jan 04 2011

STATUS

approved

proposed

#2 by Ron Hardin at Tue Jan 04 13:57:09 EST 2011

KEYWORD

allocating

allocated

#1 by Ron Hardin at Tue Jan 04 13:57:09 EST 2011

NAME

allocated for Ron Hardin

KEYWORD

allocating

STATUS

approved