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A147552
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Consider the cellular automaton based on the f.c.c. lattice described in A151776; sequence gives number of ON cells in generation n that lie in the (x,y) plane.
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3
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0, 1, 5, 9, 21, 25, 37, 49, 77, 81, 93, 105, 133, 153, 181, 217, 285, 289, 301, 313, 341, 361, 389, 425, 493, 529, 557, 593, 661, 729, 805, 905, 1077, 1089, 1117, 1129, 1157, 1177, 1205, 1241, 1309, 1345, 1373
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| First differs from A160720 at a(13).
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 0..68
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata
Nathaniel Johnston, C script
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
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CROSSREFS
| Cf. A151776, A151836 (first differences), A139250.
Sequence in context: A092387 A175364 A160720 * A147562 A162795 A169707
Adjacent sequences: A147549 A147550 A147551 * A147553 A147554 A147555
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jul 13 2009
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EXTENSIONS
| Terms after a(30) from Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), Mar 27 2011
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