A139458 Frieze pattern of order 6, with 5 rows, read by diagonals.

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

Author

N. J. A. Sloane, Jun 09 2008

Keywords

• nonn
• tabf

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

Examples

			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 ...
		

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).

Crossrefs

Cf. A139434, A139438.