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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
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:0711.1443 [math.CO], 2007.
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1).
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
Sequence in context: A350351 A138297 A374724 * A277543 A190594 A338803
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Jun 09 2008
STATUS
approved