A160421 - OEIS

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A160421

First differences of A160420.

3

5, 8, 14, 14, 16, 28, 38, 26, 16, 28, 40, 44, 60, 92, 98, 50, 16, 28, 40, 44, 60, 92, 100, 68, 60, 96, 124, 148, 212, 280, 242, 98, 16, 28, 40, 44, 60, 92, 100, 68, 60, 96, 124, 148, 212, 280, 244, 116

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

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, A139251, A160420, A160422, A160423.

Sequence in context: A020736 A314469 A217185 * A249719 A314470 A314471

Adjacent sequences: A160418 A160419 A160420 * A160422 A160423 A160424

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jun 01 2009

EXTENSIONS

More terms from Nathaniel Johnston, Nov 13 2010

STATUS

approved