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A224572
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Number of (n+5) X 8 0..1 matrices with each 6 X 6 subblock idempotent.
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1
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16696, 5696, 5896, 6659, 7295, 7884, 8294, 9831, 12556, 16161, 20310, 25054, 30119, 36575, 45620, 58199, 74850, 96163, 122349, 154920, 196491, 250483, 320946, 412715, 530569, 680836, 872526, 1118125, 1434098, 1841746, 2367044, 3042526, 3909641
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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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FORMULA
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Empirical: a(n) = 3*a(n-1) -4*a(n-2) +4*a(n-3) -3*a(n-4) +a(n-5) +2*a(n-6) -5*a(n-7) +6*a(n-8) -6*a(n-9) +4*a(n-10) -a(n-11) -a(n-12) +2*a(n-13) -2*a(n-14) +2*a(n-15) -a(n-16) for n>21.
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EXAMPLE
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Some solutions for n=2
..0..0..1..1..0..0..1..0....1..0..0..0..0..0..0..1....1..1..1..0..0..0..0..1
..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
..0..0..1..1..0..0..1..0....1..0..0..0..0..0..0..0....0..0..0..1..0..1..0..0
..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0....0..0..0..1..0..1..0..0
..0..0..1..1..0..0..1..0....1..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..1....1..0..0..0..0..0..0..1....0..0..0..0..0..0..0..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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