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A200445 Number of 0..n arrays x(0..8) of 9 elements with zero 4th differences 1
2, 3, 4, 5, 6, 9, 12, 17, 22, 37, 52, 71, 94, 117, 148, 197, 250, 305, 364, 453, 546, 655, 768, 897, 1050, 1227, 1412, 1623, 1846, 2121, 2400, 2729, 3066, 3417, 3824, 4289, 4774, 5285, 5812, 6447, 7094, 7799, 8516, 9309, 10190, 11117, 12072, 13101, 14170 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A200443

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=10

.10....5....9....8....8...10....3...10....7....6....3....0....2....1....9....7

..9....5....9....4....7....6....3....3...10....3....7....1....6....5....8....3

..8....5....9....3....6....3....3....0...10....1....8....2....7....6....7....2

..7....5....9....4....5....1....3....0....8....0....7....3....6....5....6....3

..6....5....9....6....4....0....3....2....5....0....5....4....4....3....5....5

..5....5....9....8....3....0....3....5....2....1....3....5....2....1....4....7

..4....5....9....9....2....1....3....8....0....3....2....6....1....0....3....8

..3....5....9....8....1....3....3...10....0....6....3....7....2....1....2....7

..2....5....9....4....0....6....3...10....3...10....7....8....6....5....1....3

CROSSREFS

Sequence in context: A178715 A018123 A105859 * A255362 A017833 A114044

Adjacent sequences:  A200442 A200443 A200444 * A200446 A200447 A200448

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 18 2011

STATUS

approved

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Last modified November 30 06:28 EST 2021. Contains 349419 sequences. (Running on oeis4.)