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A161418
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Number of triangles in the Y-toothpick structure after n rounds.
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5
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OFFSET
| 0,5
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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
| Cf. A139250, A160120, A160124, A161419, A161828, A161836.
Sequence in context: A168328 A176569 A127402 * A124691 A112437 A122223
Adjacent sequences: A161415 A161416 A161417 * A161419 A161420 A161421
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KEYWORD
| more,nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Jun 21 2009
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