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A160415 First differences of A160118. 6
1, 8, 4, 28, 4, 28, 12, 84, 4, 28, 12, 84, 12, 84, 36, 252, 4, 28, 12, 84, 12, 84, 36, 252, 12, 84, 36, 252, 36, 252, 108, 756, 4, 28, 12, 84, 12, 84, 36, 252, 12, 84, 36, 252, 36, 252, 108, 756 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Number of cells turned "ON" at n-th stage of the cellular automaton of A160118.

LINKS

Table of n, a(n) for n=1..48.

Index entries for sequences related to cellular automata

EXAMPLE

Contribution from Omar E. Pol, Mar 21 2011 (Start):

If written as a triangle begins:

1,

8,

4,28,

4,28,12,84,

4,28,12,84,12,84,36,252,

4,28,12,84,12,84,36,252,12,84,36,252,36,252,108,756,

(End)

CROSSREFS

Cf. A139251, A160118 A160411, A160413, A160417.

Sequence in context: A070290 A173855 A143368 * A160411 A033473 A238163

Adjacent sequences:  A160412 A160413 A160414 * A160416 A160417 A160418

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jun 13 2009

EXTENSIONS

More terms (a(8)-a(38)) from Nathaniel Johnston, Nov 14 2010

21 terms corrected between a(13) and a(38). More terms (a(39)-a(48)) from Omar E. Pol, Mar 21 2011.

STATUS

approved

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Last modified February 20 12:57 EST 2019. Contains 320327 sequences. (Running on oeis4.)