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 A118065 a(1) = a(2) = 1, a(n) = smallest number greater than a(n-1) that can be written as sum of consecutive earlier terms. 3
 1, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Complement of A118066. LINKS Eric Weisstein's World of Mathematics, Hofstadter Sequences EXAMPLE a(20) = a(11) + a(10) = 11 + 10 = 21; a(21) = a(9) + a(8) + a(7) = 9 + 7 + 6 = 22; a(22) = a(12) + a(11) = 12 + 11 = 23; a(23) = a(13) + a(12) = 13 + 12 = 25; a(24) = a(10) + a(9) + a(8) = 10 + 9 + 7 = 26. CROSSREFS Cf. A005243. Sequence in context: A037477 A277050 A013937 * A020661 A284837 A068937 Adjacent sequences:  A118062 A118063 A118064 * A118066 A118067 A118068 KEYWORD nonn AUTHOR Reinhard Zumkeller, Apr 11 2006 STATUS approved

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Last modified June 5 11:52 EDT 2020. Contains 334840 sequences. (Running on oeis4.)