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 A169688 A169648(4n+4) - A147582(4n+5). 3
 0, 4, 24, 16, 96, 16, 80, 48, 336, 16, 80, 48, 304, 48, 240, 144, 1104, 16, 80, 48, 304, 48, 240, 144, 1040, 48, 240, 144, 912, 144, 720, 432, 3504, 16, 80, 48, 304, 48, 240, 144, 1040, 48, 240, 144, 912, 144, 720, 432, 3376, 48, 240, 144, 912, 144, 720, 432, 3120, 144, 720 (list; graph; refs; listen; history; text; internal format)
 OFFSET -1,2 COMMENTS A169648 and A147582 agree except at these terms. LINKS Table of n, a(n) for n=-1..57. 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 FORMULA For recurrence see A169689. CROSSREFS Cf. A147582, A169648, A169689. Sequence in context: A216923 A355992 A233149 * A222595 A103225 A303333 Adjacent sequences: A169685 A169686 A169687 * A169689 A169690 A169691 KEYWORD nonn AUTHOR N. J. A. Sloane, Apr 14 2010 STATUS approved

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Last modified August 6 00:15 EDT 2024. Contains 374957 sequences. (Running on oeis4.)