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 A057383 Low-temperature susceptibility expansion for hexagonal lattice (Potts model, q=3). 2
 2, 0, 0, 0, 24, 24, -20, 0, 366, 324, -42, -312, 4788, 6036, -1356, -1820, 54036, 99252, -3024, -53352, 686988, 1382336, 285870, -926172, 7988984, 19975392, 6245886, -12161464, 89970804, 273568968, 134393334, -181279824 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice. LINKS I. Jensen, Table of n, a(n) for n = 0..62 (from link below) I. Jensen, More terms G. Nebe and N. J. A. Sloane, Home page for hexagonal (or triangular) lattice A2 CROSSREFS Cf. A057374-A057405. Sequence in context: A209401 A029696 A118887 * A218881 A169772 A193542 Adjacent sequences: A057380 A057381 A057382 * A057384 A057385 A057386 KEYWORD sign AUTHOR N. J. A. Sloane, Aug 30 2000 STATUS approved

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Last modified March 31 11:19 EDT 2023. Contains 361646 sequences. (Running on oeis4.)