A170897 Number of new cells turned ON at generation n in cellular automaton described in A170896.

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

Offset: 0

Author

N. J. A. Sloane, Jan 09 2010

Keywords

• nonn

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.

Extensions

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