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A240419 Number of nX3 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4 1
15, 147, 1161, 7857, 52711, 347155, 2331517, 15537761, 105095051, 706172043, 4789433693, 32306879359, 219223146831, 1481437420511, 10050347301199, 67979587581455, 461025317180399, 3119972760414097, 21152593723563417 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A240422

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 96

FORMULA

Empirical recurrence of order 96 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A155638 A252982 A245755 * A069417 A051272 A021414

Adjacent sequences:  A240416 A240417 A240418 * A240420 A240421 A240422

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 2014

STATUS

approved

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Last modified May 31 00:53 EDT 2020. Contains 334747 sequences. (Running on oeis4.)