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A249294 Number of length 4+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth 1
88, 1094, 6960, 40588, 150112, 469072, 1263044, 3011088, 6514660, 13131956, 24755440, 44396112, 76182120, 125764540, 200780652, 311698092, 471201156, 696406084, 1008398272, 1433424724, 2003585272, 2758886876, 3745643452 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A249290

LINKS

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

EXAMPLE

Some solutions for n=5

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

..5....1....2....3....0....0....0....2....5....4....4....1....1....1....1....4

..3....5....4....2....5....4....4....1....5....1....2....3....3....0....3....0

..5....5....5....1....4....0....4....0....1....1....1....1....3....5....2....0

..3....1....1....5....5....3....1....0....2....5....5....2....4....0....5....3

..5....5....4....1....5....3....0....1....3....4....4....1....1....2....4....4

..0....2....5....5....1....4....0....4....1....5....1....2....3....3....3....0

CROSSREFS

Sequence in context: A295591 A182676 A228744 * A239274 A235018 A228810

Adjacent sequences: A249291 A249292 A249293 * A249295 A249296 A249297

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 24 2014

STATUS

approved

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Last modified March 27 03:47 EDT 2023. Contains 361553 sequences. (Running on oeis4.)