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 A212009 Number of toothpicks or D-toothpicks added at n-th stage in the toothpick structure of A212008. 3
 0, 1, 4, 8, 16, 22, 20, 24, 36, 40, 32, 44, 56, 94, 60, 56, 76, 72, 32, 48, 72, 112, 132, 140, 136, 168, 112, 132, 140, 238, 148, 120, 156, 136, 32, 48, 72, 112, 132 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Essentially the first differences of A212008. LINKS David Applegate, The movie version N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS FORMULA It appears that a(2^k + 2) = 32, if k >= 3. EXAMPLE When written as an irregular triangle: 0; 1; 4; 8; 16,22; 20,24,36,40; 32,44,56,94,60,56,76,72; 32,48,72,112,132,140,136,168,112,132,140,238,148,120,156,136; 32,48,72,112,132,... CROSSREFS Cf. A139250, A139251, A194271, A194433, A194435, A194441, A194443, A194445, A220501. Sequence in context: A312808 A249486 A129370 * A312809 A312810 A194271 Adjacent sequences:  A212006 A212007 A212008 * A212010 A212011 A212012 KEYWORD nonn,tabf,more AUTHOR Omar E. Pol, Dec 15 2012 STATUS approved

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Last modified October 18 01:04 EDT 2019. Contains 328135 sequences. (Running on oeis4.)