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 A162796 Number of toothpicks in the toothpick structure A139250 that are orthogonal to the initial toothpick after n even rounds. 10
 0, 2, 6, 14, 22, 30, 42, 70, 86, 94, 106, 134, 154, 182, 222, 310, 342, 350, 362, 390, 410, 438, 478, 566, 602, 630, 670, 758, 814, 906, 1046, 1302, 1366, 1374, 1386, 1414, 1434, 1462, 1502, 1590, 1626, 1654, 1694, 1782, 1838, 1930, 2070, 2326, 2394, 2422, 2462 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Also, partial sums of A162794. LINKS 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 MAPLE a139251 := BFILETOLIST("b139251.txt") ; A162794 := proc(n) global a139251; op(2*n, a139251) ; end: A162796 := proc(n) add( A162794(k), k=1..n) ; end: seq(A162796(n), n=1..120) ; # R. J. Mathar, Sep 27 2009 CROSSREFS Cf. A139250, A139251, A159791, A159792, A162793, A162794, A162795, A162797. Sequence in context: A262506 A228649 A268641 * A172304 A160164 A074729 Adjacent sequences:  A162793 A162794 A162795 * A162797 A162798 A162799 KEYWORD nonn AUTHOR Omar E. Pol, Jul 14 2009 EXTENSIONS Extended by R. J. Mathar, Sep 27 2009 STATUS approved

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Last modified October 22 22:34 EDT 2019. Contains 328335 sequences. (Running on oeis4.)