A211313 Square array of Delannoy numbers D(i,j) mod 5 (i >= 0, j >= 0) read by antidiagonals.

1, 1, 1, 1, 3, 1, 1, 0, 0, 1, 1, 2, 3, 2, 1, 1, 4, 0, 0, 4, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 1, 4, 4, 1, 3, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 2, 3, 2, 1, 1, 2, 3, 2, 1, 1, 4, 0, 0, 4, 3, 4, 0, 0, 4, 1, 1, 1, 1, 3, 1, 3, 3, 1, 3, 1, 1, 1, 1, 3, 1, 4, 4, 3, 4, 3, 4, 4, 1, 3, 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, 0, 0, 1,
1, 2, 3, 2, 1,
1, 4, 0, 0, 4, 1,
1, 1, 1, 3, 1, 1, 1,
1, 3, 1, 4, 4, 1, 3, 1,
1, 0, 0, 1, 1, 1, 0, 0, 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).
• Rémy Sigrist, Colored representation of the first 1000 rows

Crossrefs

Cf. A008288, A211312, A211314, A211315.