A168114 If A168113 is regarded as a triangle then the rows converge to this sequence.

3, 6, 7, 8, 9, 16, 17, 12, 9, 16, 19, 22, 31, 46, 41, 20, 9, 16, 19, 22, 31, 46, 43, 30, 31, 48, 57, 72, 105, 130, 97, 36, 9, 16, 19, 22, 31, 46, 43, 30, 31, 48, 57, 72, 105, 130, 99, 46, 31, 48, 57, 72, 105, 132, 113, 88, 107, 150, 183, 246, 337, 354, 225

Offset

1,1

Links

Table of n, a(n) for n=1..63.

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. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]

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

Crossrefs

Cf. A139250, A147646, A168112, A168113.

Sequence in context: A053030 A189822 A051205 * A220656 A324143 A050244

Adjacent sequences: A168111 A168112 A168113 * A168115 A168116 A168117

Keyword

nonn

Author

Omar E. Pol, Dec 07 2009

Extensions

Terms after a(15) from Nathaniel Johnston, Mar 28 2011

Status

approved