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A201440
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Number of zero-sum -n..n arrays of 5 elements with first through fourth differences also in -n..n
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1
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5, 21, 55, 111, 479, 837, 1333, 1989, 2827, 5737, 7743, 10165, 13031, 16369, 26119, 32081, 38875, 46541, 55115, 78221, 91467, 106087, 122147, 139713, 184765, 209597, 236519, 265591, 296875, 374751, 416515, 461207, 508905, 559677, 683245, 748295
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=11
-11...-4....0...-2...-3....0..-10...-8...-3...-2....4....5....3....4...-3...-5
.-4....1...-3....2....4...-2....1...-1....4....2....0....2...-3....0....3....1
..5....0....1....3....2...-1....6....5....6...-1....2...-1...-3...-4....0....0
..8...-2....2....2....0....1....4....5....2...-3....2...-2....0...-4...-1....1
..2....5....0...-5...-3....2...-1...-1...-9....4...-8...-4....3....4....1....3
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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