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A334325 Number of irreducible, unrooted, unoriented self-avoiding chains of length n for the square lattice. 3
2, 2, 4, 8, 20, 42, 100, 228, 540, 1278, 3088, 7436, 18176, 44436, 109536, 270726, 672400, 1674764, 4185888, 10488914, 26352252, 66354472, 167429028, 423270120, 1071908028, 2718939372, 6906918040, 17569856618, 44751600732, 114121225984, 291346481204, 744569863528 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Nathan Clisby, Endless self-avoiding walks, arXiv:1302.2796 [cond-mat.stat-mech], 2013. See Table 2 column d_n p. 22.
CROSSREFS
Sequence in context: A005702 A095335 A283117 * A100396 A056630 A259813
KEYWORD
nonn
AUTHOR
Michel Marcus, Apr 23 2020
STATUS
approved

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)