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A006978 Cellular automaton with 000, 001, 010, 011, ..., 111 -> 0,1,1,1,0,1,1,0.
(Formerly M2642)
5
1, 3, 7, 13, 31, 49, 115, 215, 509, 775, 1805, 3359, 7985, 12659, 29655, 54909, 130759, 197581, 460383, 855793, 2038675, 3227319, 7562237, 14149127, 33304077, 50625055, 118279729, 220060275, 523730647, 830325757, 1942439431, 3595423245 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

Marc LeBrun, personal communication.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..32.

Index entries for sequences related to cellular automata

Eric Weisstein's World of Mathematics, Rule 110

MATHEMATICA

Map[FromDigits[#, 2] &, CellularAutomaton[110, {{1}, 0}, 30]]

CROSSREFS

Cf. A070887, A117999.

Sequence in context: A309738 A161218 A068679 * A060424 A119962 A220746

Adjacent sequences:  A006975 A006976 A006977 * A006979 A006980 A006981

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Eric W. Weisstein, Apr 11 2006

Mathematica code from Ben Branman, Dec 28 2010

STATUS

approved

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Last modified October 18 04:57 EDT 2019. Contains 328145 sequences. (Running on oeis4.)