A211314 Square array of Delannoy numbers D(i,j) mod 7 (i >= 0, j >= 0) read by antidiagonals.

1, 1, 1, 1, 3, 1, 1, 5, 5, 1, 1, 0, 6, 0, 1, 1, 2, 4, 4, 2, 1, 1, 4, 6, 0, 6, 4, 1, 1, 6, 5, 3, 3, 5, 6, 1, 1, 1, 1, 0, 6, 0, 1, 1, 1, 1, 3, 1, 6, 2, 2, 6, 1, 3, 1, 1, 5, 5, 1, 1, 3, 1, 1, 5, 5, 1, 1, 0, 6, 0, 1, 6, 6, 1, 0, 6, 0, 1, 1, 2, 4, 4, 2, 1, 1, 1, 2, 4, 4, 2, 1

Offset: 0

Author

N. J. A. Sloane, Apr 15 2012

Keywords

• nonn
• tabl

Examples

			Written as a triangle:
1,
1, 1,
1, 3, 1,
1, 5, 5, 1,
1, 0, 6, 0, 1,
1, 2, 4, 4, 2, 1,
1, 4, 6, 0, 6, 4, 1,
1, 6, 5, 3, 3, 5, 6, 1,
1, 1, 1, 0, 6, 0, 1, 1, 1,
...
		

Links

• Marko Razpet, A self-similarity structure generated by king's walk, Algebraic and topological methods in graph theory (Lake Bled, 1999). Discrete Math. 244 (2002), no. 1-3, 423--433. MR1844050 (2002k:05022).

Crossrefs

Cf. A008288, A211312, A211313, A211315.