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A180798
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Number of distinct solutions of sum{i=1..6}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1
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1
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1, 16, 159, 1336, 7770, 39768, 158242, 576277, 1770957, 5103172, 13020114, 32106338, 71312200, 155419661, 313496424, 622375358, 1154635735, 2140048203, 3718742275, 6493401148, 10741764465, 17813177343, 28173574540, 45107483725
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OFFSET
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1,2
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COMMENTS
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Column 6 of A180803
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LINKS
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R. H. Hardin, Table of n, a(n) for n=1..183
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EXAMPLE
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Solutions for sum of products of 6 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*0 + 0*0 + 0*1)
(0*0 + 0*0 + 0*0 + 0*0 + 0*1 + 0*1) (0*0 + 0*0 + 0*0 + 0*0 + 1*1 + 1*1)
(0*0 + 0*0 + 0*0 + 0*1 + 0*1 + 0*1) (0*0 + 0*0 + 0*0 + 0*1 + 1*1 + 1*1)
(0*0 + 0*0 + 0*1 + 0*1 + 0*1 + 0*1) (0*0 + 0*0 + 0*1 + 0*1 + 1*1 + 1*1)
(0*0 + 0*0 + 1*1 + 1*1 + 1*1 + 1*1) (0*0 + 0*1 + 0*1 + 0*1 + 0*1 + 0*1)
(0*0 + 0*1 + 0*1 + 0*1 + 1*1 + 1*1) (0*0 + 0*1 + 1*1 + 1*1 + 1*1 + 1*1)
(0*1 + 0*1 + 0*1 + 0*1 + 0*1 + 0*1) (0*1 + 0*1 + 0*1 + 0*1 + 1*1 + 1*1)
(0*1 + 0*1 + 1*1 + 1*1 + 1*1 + 1*1) (1*1 + 1*1 + 1*1 + 1*1 + 1*1 + 1*1)
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CROSSREFS
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Sequence in context: A101931 A220630 A041005 * A144453 A121036 A224058
Adjacent sequences: A180795 A180796 A180797 * A180799 A180800 A180801
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, suggested by Max Alekseyev in the Sequence Fans Mailing List, Sep 20 2010
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STATUS
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approved
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