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A140476
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Number of self-avoiding walks on cubic lattice with no more than n steps.
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1
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1, 7, 37, 187, 913, 4447, 21373, 102763, 490729, 2344615, 11154493, 53088643, 251931385, 1195905895, 5664817573, 26839963627, 126961839601, 600692091703, 2838415775797, 13414448995411, 63331776834145, 299041867336303
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OFFSET
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0,2
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COMMENTS
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Primes include a(1) = 7, a(2) = 37, a(5) = 4447, a(8) = 102763, a(15) = 26839963627.
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LINKS
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EXAMPLE
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a(9) = 1 + 6 + 30 + 150 + 726 + 3534 + 16926 + 81390 + 387966 + 1853886 = 2344615.
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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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