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 A139458 Frieze pattern of order 6, with 5 rows, read by diagonals. 2
 1, 1, 1, 1, 1, 1, 2, 3, 4, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 2, 1, 1, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 2, 1, 1, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 2, 1, 1, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,7 COMMENTS Period 30: repeat [1, 1, 1, 1, 1, 1, 2, 3, 4, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 2, 1, 1, 4, 3, 2, 1]. - Wesley Ivan Hurt, Jun 05 2016 LINKS K. Bauer and R. J. Marsh, Ptolemy relations for punctured discs, arXiv:0711.1443v1. EXAMPLE The frieze pattern is: ... 1 1 1 1 1 1 1 ... .... 1 2 2 2 1 4 ... ... 3 1 3 3 1 3 8 ... .... 2 1 4 1 2 2 ... ... 1 1 1 1 1 1 1 ... CROSSREFS Cf. A139434, A139438. Sequence in context: A086198 A086196 A138297 * A277543 A190594 A104412 Adjacent sequences:  A139455 A139456 A139457 * A139459 A139460 A139461 KEYWORD nonn,tabf AUTHOR N. J. A. Sloane, Jun 09 2008 STATUS approved

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Last modified January 24 13:24 EST 2020. Contains 331193 sequences. (Running on oeis4.)