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A070952 Number of 1's in n-th generation of 1-D CA using Rule 30, started with a single 1. 8
1, 3, 3, 6, 4, 9, 5, 12, 7, 12, 11, 14, 12, 19, 13, 22, 15, 19, 20, 24, 21, 23, 23, 28, 26, 27, 26, 33, 30, 34, 31, 39, 26, 39, 29, 46, 32, 44, 38, 45, 47, 41, 45, 49, 38, 55, 42, 51, 44, 53, 43, 59, 52, 60, 49, 65, 57, 60, 56, 69, 61, 70, 59, 78, 64, 56, 65, 69, 69 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Number of 1's in n-th row of triangle in A070950.

Row sums in A070950; a(n) = 2*n + 1 - A070951(n). - Reinhard Zumkeller, Jun 07 2013

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..10000 (Added Aug 15 2009)

Eric Weisstein's World of Mathematics, Rule 30

Wikipedia, Rule 30

Index entries for sequences related to cellular automata

MATHEMATICA

Map[Function[Apply[Plus, Flatten[ #1]]], CellularAutomaton[30, {{1}, 0}, 100]] (N. J. A. Sloane, Aug 10 2009)

PROG

(Haskell)

a070952 = sum . a070950_row  -- Reinhard Zumkeller, Jun 07 2013

CROSSREFS

Cf. A070950, A070951, A151929, A051023.

Cf. A110267 (partial sums).

Sequence in context: A182627 A135986 A069734 * A137462 A163926 A050346

Adjacent sequences:  A070949 A070950 A070951 * A070953 A070954 A070955

KEYWORD

nonn,easy,nice

AUTHOR

N. J. A. Sloane, May 19 2002, Aug 10 2009

EXTENSIONS

More terms from Hans Havermann, May 26 2002

Corrected offset and initial term - N. J. A. Sloane, Jun 07 2013

STATUS

approved

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Last modified April 19 03:33 EDT 2014. Contains 240738 sequences.