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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]
Table of n, a(n) for n=1..105.
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
a(n) = A000035(A153000(n)). - Omar E. Pol, Aug 06 2013
Cf. A040051, A079559, A139250, A153000
Sequence in context: A141212 A137893 A108882 * A070829 A118175 A179762
Adjacent sequences: A167999 A168000 A168001 * A168003 A168004 A168005
Omar E. Pol, Nov 29 2009
More terms from R. J. Mathar, Dec 04 2009