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 A131938 a(1)=2; a(2)=5. a(n) = a(n-1) + (n-th positive integer which does not occur in sequence A131937). 4
 2, 5, 10, 16, 23, 32, 42, 53, 65, 78, 93, 109, 126, 144, 163, 183, 205, 228, 252, 277, 303, 330, 358, 388, 419, 451, 484, 518, 553, 589, 626, 665, 705, 746, 788, 831, 875, 920, 966, 1013, 1061, 1111, 1162, 1214, 1267, 1321, 1376, 1432, 1489, 1547, 1606, 1666 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..52. EXAMPLE A131937: 1,4,8,14,21,29,... Positive integers not in A131937: 2,3,5,6,7,9,10,11,... So A131938(8) = A131938(7) + 11 = 53. CROSSREFS Cf. A131937. Sequence in context: A323624 A348387 A086849 * A031871 A026056 A267159 Adjacent sequences: A131935 A131936 A131937 * A131939 A131940 A131941 KEYWORD nonn AUTHOR Leroy Quet, Jul 30 2007 EXTENSIONS More terms from Farideh Firoozbakht, Aug 07 2007 a(51)-a(52) from Ray Chandler, Mar 06 2010 STATUS approved

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Last modified September 16 15:08 EDT 2024. Contains 375976 sequences. (Running on oeis4.)