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A180904
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Number of sequences of n integers p(i) i=0..n-1 with 0<=p(i)<=8*i and |p(i)-p(i-1)|<=8
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1
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1, 9, 117, 1665, 24843, 380805, 5941923, 93886185, 1497389568, 24055051863, 388666882798, 6309382040993, 102822842612560, 1681209772089665, 27566207388086092, 453095823002488325, 7463239601084222332
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OFFSET
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1,2
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COMMENTS
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Paths down a n-high rectangular-grid right triangle with interior neighbor fanout 2*8+1
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LINKS
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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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