A163312 Row sums of triangle A163311.

1, 3, 8, 17, 34, 64, 114, 195, 325, 529, 840, 1303, 1977, 2940

Offset

1,2

Comments

Triangle A163311 by diagonals = the infinite set of Toothpick sequences.

Links

Table of n, a(n) for n=1..14.

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Example

a(4) = 17 = (1 + 4 + 7 + 5).

Crossrefs

Cf. A163311.

Sequence in context: A029859 A344004 A305105 * A131253 A145071 A182734

Adjacent sequences: A163309 A163310 A163311 * A163313 A163314 A163315

Keyword

nonn,more

Author

Gary W. Adamson, Jul 24 2009

Status

approved