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A159791 Bisection of toothpick sequence A139250. 7
0, 3, 11, 23, 43, 55, 79, 123, 171, 183, 207, 251, 303, 347, 423, 571, 683, 695, 719, 763, 815, 859, 935, 1083, 1199, 1243, 1319 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..27.

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.

Sequence in context: A121509 A096071 A230117 * A078723 A294368 A296556

Adjacent sequences:  A159788 A159789 A159790 * A159792 A159793 A159794

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Apr 28 2009

STATUS

approved

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Last modified January 17 05:26 EST 2019. Contains 319207 sequences. (Running on oeis4.)