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

0,5

Links

Table of n, a(n) for n=0..90.

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

Example

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,
...

Crossrefs

Cf. A008288, A211312, A211314, A211315.

Sequence in context: A361510 A204181 A204242 * A368847 A321609 A357638

Adjacent sequences: A211310 A211311 A211312 * A211314 A211315 A211316

Keyword

nonn,tabl

Author

N. J. A. Sloane, Apr 15 2012

Status

approved