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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
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: A109473 A245315 A357890 * A231585 A231837 A231745
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 14 2011
STATUS
approved

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Last modified June 13 15:33 EDT 2024. Contains 373389 sequences. (Running on oeis4.)