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 A366465 Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of exact spanning probability for site percolation along the second dimension for an n X n 2D triangular lattice with periodic boundary conditions. 0
 0, 1, 0, 0, 3, 4, 1, 0, 0, 0, 8, 42, 84, 76, 36, 9, 1, 0, 0, 0, 0, 4, 48, 280, 1008, 2558, 4480, 5088, 3664, 1744, 560, 120, 16, 1, 0, 0, 0, 0, 0, 48, 942, 8679, 49751, 198242, 580910, 1291636, 2219059, 2981241, 3165764, 2687850, 1844733, 1031824, 472021, 176158, 53082, 12650, 2300, 300, 25, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 LINKS Table of n, a(n) for n=1..60. Stephan Mertens, Percolation (Gives first 11 rows) EXAMPLE Triangle begins: 0, 1, 0, 0, 2, 3, 1, 0, 0, 0, 8, 42, 84, 76, 36, 9, 1, 0, 0, 0, 0, 4, 48, 280, 1008, 2558, 4480, 5088, 3664, 1744, 560, 120, 16, 1, 0, 0, 0, 0, 0, 48, 942, 8679, 49751, 198242, 580910, 1291636, 2219059, 2981241, 3165764, 2687850, 1844733, 1031824, 472021, 176158, 53082, 12650, 2300, 300, 25, 1, ... CROSSREFS Cf. A365940-A365957, A366463-A366467. Sequence in context: A102222 A171657 A287696 * A084301 A195788 A201930 Adjacent sequences: A366462 A366463 A366464 * A366466 A366467 A366468 KEYWORD nonn,tabf AUTHOR N. J. A. Sloane, Oct 12 2023 STATUS approved

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Last modified May 30 02:13 EDT 2024. Contains 372957 sequences. (Running on oeis4.)