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 A161329 First differences of A161328. 9
 1, 3, 5, 7, 13, 11, 17, 15, 21, 23, 25, 27, 33, 27, 25, 15, 25, 35, 41, 55, 53, 59, 61, 59, 65, 63, 57, 47, 37, 47, 65, 71, 97, 95, 105, 95, 89, 83, 81, 87, 93, 79, 73, 79, 89, 107, 113, 119, 113, 115, 117, 135, 125, 127, 129, 135, 153, 135 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Number of E-Toothpicks added to the E-Toothpick structure at the n-th round. LINKS David Applegate, The movie version David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.] N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS CROSSREFS Cf. A139251, A160121, A160173, A161328, A161331. Sequence in context: A208772 A071810 A137576 * A111745 A098957 A143245 Adjacent sequences:  A161326 A161327 A161328 * A161330 A161331 A161332 KEYWORD nonn AUTHOR Omar E. Pol, Jun 07 2009 EXTENSIONS a(8) corrected and more terms added by R. J. Mathar, Jan 21 2010 STATUS approved

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Last modified November 26 05:48 EST 2022. Contains 358353 sequences. (Running on oeis4.)