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0, 1, 2, 4, 4, 4, 7, 12, 8, 4, 8, 16, 16, 20, 21, 28, 16, 4, 8, 16, 24, 28, 36, 44, 34, 28, 24, 44, 44, 52, 49, 60, 32, 4, 8, 16, 24, 28, 38
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..38.
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
Index entries for sequences related to toothpick sequences
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EXAMPLE
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When written as a irregular triangle begins:
0;
1;
2;
4,4;
4,7,12,8;
4,8,16,16,20,21,28,16;
4,8,16,24,28,36,44,34,28,24,44,44,52,49,60,32;
4,8,16,24,28,38...
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CROSSREFS
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Row lengths give 1 together with A011782. Right border gives 0 together with A000079.
Cf. A139251, A182635, A221565.
Sequence in context: A035545 A327333 A023820 * A117726 A172307 A108039
Adjacent sequences: A225352 A225353 A225354 * A225356 A225357 A225358
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KEYWORD
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nonn,tabf,more
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AUTHOR
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Omar E. Pol, May 13 2013
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STATUS
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approved
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