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A180797
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Number of distinct solutions of sum{i=1..5}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1
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1
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1, 12, 87, 549, 2338, 9383, 28783, 85956, 213618, 518268, 1100399, 2370275, 4457359, 8595967, 15130785, 26913348, 43848123, 74308434, 114423976, 184270107, 274414305, 419987334, 601573248, 905711494, 1247825148, 1806542438
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Solutions for sum of products of 5 0..1 pairs = 0 (mod 2) are
(0*0 + 0*0 + 0*0 + 0*0 + 0*0) (0*0 + 0*0 + 0*0 + 0*0 + 0*1)
(0*0 + 0*0 + 0*0 + 0*1 + 0*1) (0*0 + 0*0 + 0*0 + 1*1 + 1*1)
(0*0 + 0*0 + 0*1 + 0*1 + 0*1) (0*0 + 0*0 + 0*1 + 1*1 + 1*1)
(0*0 + 0*1 + 0*1 + 0*1 + 0*1) (0*0 + 0*1 + 0*1 + 1*1 + 1*1)
(0*0 + 1*1 + 1*1 + 1*1 + 1*1) (0*1 + 0*1 + 0*1 + 0*1 + 0*1)
(0*1 + 0*1 + 0*1 + 1*1 + 1*1) (0*1 + 1*1 + 1*1 + 1*1 + 1*1)
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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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