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A151568
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a(0)=1, a(1)=1; a(2^i+j)=2*a(j)+a(j+1) for 0 <= j < 2^i.
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16
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1, 1, 3, 5, 3, 5, 11, 13, 3, 5, 11, 13, 11, 21, 35, 29, 3, 5, 11, 13, 11, 21, 35, 29, 11, 21, 35, 37, 43, 77, 99, 61, 3, 5, 11, 13, 11, 21, 35, 29, 11, 21, 35, 37, 43, 77, 99, 61, 11, 21, 35, 37, 43, 77, 99, 69, 43, 77, 107, 117, 163, 253, 259, 125, 3, 5, 11, 13, 11, 21, 35, 29, 11
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| Equals A160552+A151704.
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LINKS
| 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
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CROSSREFS
| For the recurrence a(2^i+j) = C*a(j) + D*a(j+1), a(0) = A, a(1) = B for following values of (A B C D) see: (0 1 1 1) A118977, (1 0 1 1) A151702, (1 1 1 1) A151570, (1 2 1 1) A151571, (0 1 1 2) A151572, (1 0 1 2) A151703, (1 1 1 2) A151573, (1 2 1 2) A151574, (0 1 2 1) A160552, (1 0 2 1) A151704, (1 1 2 1) A151568, (1 2 2 1) A151569, (0 1 2 2) A151705, (1 0 2 2) A151706, (1 1 2 2) A151707, (1 2 2 2) A151708.
Cf. A139250, A160552, A151569.
Sequence in context: A112756 A121795 A188889 * A134429 A100667 A096438
Adjacent sequences: A151565 A151566 A151567 * A151569 A151570 A151571
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 25 2009
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