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 A266535 Sums of two successive terms of A256249, with a(0) = 0. 3
 0, 1, 3, 7, 11, 15, 23, 35, 43, 47, 55, 67, 83, 103, 127, 155, 171, 175, 183, 195, 211, 231, 255, 283, 315, 351, 391, 435, 483, 535, 591, 651, 683, 687, 695, 707, 723, 743, 767, 795, 827, 863, 903, 947, 995, 1047, 1103, 1163, 1227, 1295, 1367, 1443, 1523, 1607, 1695, 1787, 1883, 1983, 2087, 2195, 2307, 2423, 2543, 2667, 2731 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Also bisection of A266540. It appears that this sequence has a fractal (or like-fractal) behavior. First differs from both the toothpick sequence A139250 and A256265 at a(12), with which it shares infinitely many terms. LINKS N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS MATHEMATICA Most@ # + Rest@ # &@ Accumulate@ Join[{0, 0}, Flatten@ Table[Range[1, 2^n - 1, 2], {n, 0, 6}]] (* Michael De Vlieger, Jan 05 2016, after Ivan N. Ianakiev at A256249 *) CROSSREFS Cf. A006257, A139250, A256249, A256265, A266539, A266540. Sequence in context: A151567 A139250 A256265 * A182634 A173530 A192114 Adjacent sequences:  A266532 A266533 A266534 * A266536 A266537 A266538 KEYWORD nonn AUTHOR Omar E. Pol, Jan 02 2016 STATUS approved

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Last modified January 18 06:34 EST 2019. Contains 319269 sequences. (Running on oeis4.)