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A227511
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Triangle read by rows: Number of n-step self-avoiding walks on f.c.c. lattice ending at point with x = k.
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5
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1, 4, 4, 36, 32, 16, 308, 292, 192, 64, 2764, 2672, 2016, 1024, 256, 25404, 24780, 20160, 12480, 5120, 1024, 237164, 232512, 197940, 137472, 71680, 24576, 4096, 2237948, 2201948, 1930944, 1443616, 869376, 390144, 114688, 16384, 21286548, 20997008, 18805488, 14786176
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OFFSET
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0,2
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COMMENTS
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The number of walks ending with x = -k is the same as the number ending with x = k.
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LINKS
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EXAMPLE
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Initial rows (paths of length 0, 1, 2, ...):
{ 1 };
{ 4, 4 };
{ 36, 32, 16 };
{ 308, 292, 192, 64 }.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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