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 A172311 First differences of A172310. 14
 0, 1, 2, 4, 6, 8, 12, 14, 14, 18, 18, 20, 24, 24, 38, 34, 42, 34, 26, 28, 32, 38, 52, 54, 64, 58, 68, 60, 60, 50, 66, 70, 70, 74, 50, 52, 60, 54, 64, 66, 84, 88, 116, 106, 132, 100, 136, 126, 140, 106, 118, 100, 122, 106, 138, 114, 138, 132, 152, 156, 176, 158, 190, 166, 158, 154, 98, 88, 132, 82, 124, 94, 112 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Number of L-toothpicks added to the L-toothpick structure of A172310 at the n-th stage. 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. A139250, A139251, A160121, A160171, A160173, A161207, A161329, A172310. Sequence in context: A092990 A323505 A350355 * A103829 A164530 A058817 Adjacent sequences: A172308 A172309 A172310 * A172312 A172313 A172314 KEYWORD nonn AUTHOR Omar E. Pol, Jan 31 2010 EXTENSIONS More terms from Nathaniel Johnston, Nov 15 2010 Corrected by David Applegate and Omar E. Pol; more terms beyond a(22) from David Applegate, Mar 26 2016 STATUS approved

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Last modified February 5 03:48 EST 2023. Contains 360082 sequences. (Running on oeis4.)