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 A168002 Duplicate of A079559. 0
 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Name was: Parity of positive integers of the toothpick sequence in the first quadrant A153000. Same as A079559: reduce the g.f. of A153000 mod 2 to see this. [Joerg Arndt, Aug 07 2013] LINKS David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.] N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS FORMULA a(n) = A000035(A153000(n)). - Omar E. Pol, Aug 06 2013 CROSSREFS Cf. A040051, A079559, A139250, A153000 Sequence in context: A137893 A108882 A284656 * A267050 A267355 A070829 Adjacent sequences:  A167999 A168000 A168001 * A168003 A168004 A168005 KEYWORD nonn,dead AUTHOR Omar E. Pol, Nov 29 2009 EXTENSIONS More terms from R. J. Mathar, Dec 04 2009 STATUS approved

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Last modified May 5 16:55 EDT 2021. Contains 343572 sequences. (Running on oeis4.)