The On-Line Encyclopedia of Integer Sequences (OEIS)

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A241279

Number of n X 3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of 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)

#6 by Wesley Ivan Hurt at Wed Apr 13 20:19:37 EDT 2022

STATUS

editing

approved

#5 by Wesley Ivan Hurt at Wed Apr 13 20:19:11 EDT 2022

NAME

Number of nX3 n X 3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of 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.

COMMENTS

Column 3 of A241283.

CROSSREFS

Cf. A241283.

STATUS

approved

editing

#4 by R. H. Hardin at Fri Apr 18 13:09:02 EDT 2014

STATUS

editing

approved

#3 by R. H. Hardin at Fri Apr 18 13:08:59 EDT 2014

LINKS

R. H. Hardin, <a href="/A241279/b241279.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Fri Apr 18 13:08:43 EDT 2014

NAME

allocated for R. H. Hardin

Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of 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

4, 5, 41, 236, 1615, 12356, 96171, 761754, 6079503, 48655224, 389953075, 3127470262, 25091008666, 201333623389, 1615666305519, 12966002651979, 104056784269403, 835102517412497, 6702114259119338, 53787979810054439

OFFSET

1,1

COMMENTS

Column 3 of A241283

EXAMPLE

Some solutions for n=4

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Apr 18 2014

STATUS

approved

editing

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

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved