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A006977 Cellular automaton with 000, 001, 010, 011, ..., 111 -> 0,1,1,0,0,1,1,1.
(Formerly M2497)
3
1, 3, 5, 15, 23, 59, 93, 239, 375, 955, 1501, 3823, 6007, 15291, 24029, 61167, 96119, 244667, 384477, 978671, 1537911, 3914683, 6151645, 15658735, 24606583, 62634939 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

Marc LeBrun (mlb(AT)well.com), personal communication.

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

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Index entries for sequences related to cellular automata

FORMULA

Numbers suggest a rational g.f. with denominator (1-x^4)(1-4x^2). - Ralf Stephan, Jun 09 2005

CROSSREFS

Sequence in context: A202505 A121219 A113732 * A003549 A018404 A053928

Adjacent sequences:  A006974 A006975 A006976 * A006978 A006979 A006980

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.