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A170885 First differences of A170884. 3
0, 3, 4, 8, 12, 12, 12, 16, 32, 56, 68, 40, 20, 16, 32, 56, 80, 88, 104, 152, 256, 376, 388, 164, 64, 24, 40, 56, 80, 88, 104, 152, 256, 376, 424, 296, 256, 272, 416, 552 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..39.

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

Sequence in context: A050316 A161538 A319980 * A080646 A187579 A050102

Adjacent sequences:  A170882 A170883 A170884 * A170886 A170887 A170888

KEYWORD

nonn

AUTHOR

David Applegate, Omar E. Pol and N. J. A. Sloane, Jan 09 2010

EXTENSIONS

More terms from Nathaniel Johnston, Nov 13 2010

STATUS

approved

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Last modified November 15 08:37 EST 2019. Contains 329144 sequences. (Running on oeis4.)