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A173462 a(n) = A173461(n+1)/2. 4
4, 6, 4, 26, 6, 6, 42, 18, 14, 94, 6, 6, 42, 18, 18, 126, 18, 18, 126, 54, 46, 314, 6, 6, 42, 18, 18, 126, 18, 18, 126, 54, 54, 378, 18, 18, 126, 54, 54, 378, 54, 54, 378, 162, 146, 1006, 6, 6, 42, 18, 18, 126, 18, 18, 126, 54, 54 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..57.

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. A173458, A173460, A173461, A173463.

Sequence in context: A208540 A019195 A019089 * A019123 A308716 A021219

Adjacent sequences:  A173459 A173460 A173461 * A173463 A173464 A173465

KEYWORD

nonn,more

AUTHOR

Omar E. Pol, Feb 18 2010

EXTENSIONS

More terms from Jinyuan Wang, Mar 02 2020

STATUS

approved

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Last modified May 22 02:18 EDT 2022. Contains 353933 sequences. (Running on oeis4.)