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A249295 Number of length 5+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth. 1
162, 2792, 22572, 173368, 774542, 2863158, 8930228, 24208540, 58678014, 131166548, 271342248, 530208888, 984847110, 1749649576, 2991055892, 4952207778, 7952016454, 12442258472, 19016036460, 28452979568, 41758209826 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A249290.

LINKS

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

EXAMPLE

Some solutions for n=4

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

..3....4....4....1....4....0....0....2....4....0....4....2....3....2....2....1

..2....2....4....1....0....4....4....4....2....2....0....1....4....3....0....4

..0....1....2....0....3....3....0....4....0....0....3....4....2....1....4....1

..0....4....3....1....2....1....4....1....3....0....3....3....1....1....1....1

..0....3....1....4....4....3....0....2....2....4....0....3....4....0....1....1

..4....1....1....2....2....1....0....3....0....0....4....1....2....3....1....0

..2....2....4....0....1....2....1....4....1....1....4....1....0....4....2....0

CROSSREFS

Cf. A249290.

Sequence in context: A302532 A288489 A303413 * A221871 A245955 A128803

Adjacent sequences: A249292 A249293 A249294 * A249296 A249297 A249298

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 24 2014

STATUS

approved

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Last modified March 27 22:47 EDT 2023. Contains 361575 sequences. (Running on oeis4.)