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A200200 Number of -4..4 arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences 1
422, 3196, 24542, 187530, 1453304, 11315108, 88657470, 697548282, 5508571400, 43635932538, 346582563516, 2759102483488, 22009380252406, 175882840702296, 1407766935222636, 11283861015674038, 90561415687714086, 727670172922068894 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A200204

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..94

EXAMPLE

Some solutions for n=3

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

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

.-4....1....2....2....3...-4....2...-1....3...-4...-2...-3...-3....3....4....2

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

.-1...-4....1....1....2...-2....2....3...-1....2....1...-1....3....1....3...-3

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

CROSSREFS

Sequence in context: A109505 A109473 A245315 * A231585 A231837 A231745

Adjacent sequences:  A200197 A200198 A200199 * A200201 A200202 A200203

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 14 2011

STATUS

approved

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Last modified August 12 07:10 EDT 2022. Contains 356067 sequences. (Running on oeis4.)