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A202959
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Number of arrays of n+2 integers in -5..5 with sum zero and adjacent elements differing in absolute value
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1
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62, 544, 4048, 33736, 289536, 2475008, 21274708, 184258272, 1602929218, 13990833912, 122510857450, 1075782280468, 9468706858932, 83511798894532, 737905024410346, 6530699064229052, 57882816085025096, 513698095091077304
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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=4
.-2...-2...-2....4....2....4....1...-4...-2....4...-1....2....3...-2...-2...-4
..0....5....5....0....1....0....4....2...-1....2...-3....0...-2...-5....1....1
.-3...-1...-3....3....2...-2...-1....3...-4...-3....1....2....1....1....5....4
..4...-3....2....1....4....3....3...-2....5...-5...-2...-3...-3....3....1...-3
..1....4...-3...-3...-5...-5...-2...-4....0...-1....3...-2....2...-1...-4....0
..0...-3....1...-5...-4....0...-5....5....2....3....2....1...-1....4...-1....2
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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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