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A170897 Number of new cells turned ON at generation n in cellular automaton described in A170896. 3
0, 1, 4, 4, 4, 12, 4, 12, 12, 12, 20, 12, 20, 28, 12, 12, 12, 20, 28, 20, 36, 36, 44, 44, 36, 52, 52, 28, 28, 28, 36, 44, 44, 68, 68, 76, 76, 60, 68, 68, 68, 68, 60, 36, 68, 68, 84, 100, 76, 76, 92, 68, 84, 92, 100, 140, 100, 132, 116, 100, 84, 76, 108, 140, 108, 100, 100, 132, 92, 156, 172, 124, 76, 108, 108, 124, 164, 140, 148, 132, 116, 108, 172, 156, 132, 108, 140, 148, 196 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

First differences of A170896. See that entry for much more information.

LINKS

David Applegate, Table of n, a(n) for n = 0..260 (a(145) corrected by Sean A. Irvine)

David Applegate, The movie version

N. J. A. Sloane, Exciting Number Sequences (video of talk), Mar 05 2021.

CROSSREFS

Cf. A170896.

Sequence in context: A151906 A151896 A267191 * A217771 A261321 A245517

Adjacent sequences:  A170894 A170895 A170896 * A170898 A170899 A170900

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 09 2010

EXTENSIONS

Revised by David Applegate and N. J. A. Sloane, Jan 21 2016.

STATUS

approved

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Last modified June 17 19:09 EDT 2021. Contains 345085 sequences. (Running on oeis4.)