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 A253768 Partial sums of A098550. 3
 1, 3, 6, 10, 19, 27, 42, 56, 61, 67, 92, 104, 139, 155, 162, 172, 193, 213, 240, 262, 301, 312, 325, 358, 384, 429, 457, 508, 540, 557, 575, 660, 684, 739, 773, 838, 874, 965, 995, 1044, 1082, 1145, 1164, 1206, 1301, 1345, 1402, 1442, 1511, 1561, 1584, 1632, 1747, 1799, 1874, 1920, 2001, 2057, 2144, 2206 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS For the partial sums of EKG sequence see A065057. LINKS David L. Applegate, Hans Havermann, Bob Selcoe, Vladimir Shevelev, N. J. A. Sloane, and Reinhard Zumkeller, The Yellowstone Permutation, arXiv preprint arXiv:1501.01669, 2015. MATHEMATICA f[lst_] := Block[{k = 4}, While[GCD[lst[[-2]], k] == 1 || GCD[lst[[-1]], k] > 1 || MemberQ[lst, k], k++]; Append[lst, k]]; Nest[f, {1, 2, 3}, 68] // Accumulate (* Jean-François Alcover, Oct 04 2018, after Robert G. Wilson v *) CROSSREFS Cf. A065057, A098550, A250299, A253765, A253766. Sequence in context: A075111 A080014 A132274 * A091714 A017991 A065614 Adjacent sequences:  A253765 A253766 A253767 * A253769 A253770 A253771 KEYWORD nonn AUTHOR Omar E. Pol, Jan 27 2015 STATUS approved

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Last modified May 26 17:40 EDT 2020. Contains 334630 sequences. (Running on oeis4.)