The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A241277

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Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4
(history; published version)

#5 by Charles R Greathouse IV at Fri Dec 18 18:18:52 EST 2015

NAME

Number of nXn n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

Discussion

Fri Dec 18

18:18

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

#4 by R. H. Hardin at Fri Apr 18 13:07:26 EDT 2014

STATUS

editing

approved

#3 by R. H. Hardin at Fri Apr 18 13:07:17 EDT 2014

NAME

allocated for R. H. Hardin

Number of nXn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

DATA

2, 3, 41, 773, 20717, 15616828, 2949336562

OFFSET

1,1

COMMENTS

Diagonal of A241283

EXAMPLE

Some solutions for n=4

..3..3..2..3....3..2..3..3....3..3..2..3....3..2..3..3....3..2..3..3

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Apr 18 2014

STATUS

approved

editing

#2 by R. H. Hardin at Fri Apr 18 13:05:37 EDT 2014

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Fri Apr 18 13:05:37 EDT 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved