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 A137847 Smallest number missing in the EKG sequence (A064413) after n terms. 1
 2, 3, 3, 3, 5, 5, 5, 5, 5, 7, 7, 7, 7, 11, 11, 11, 11, 11, 11, 13, 13, 13, 13, 13, 13, 13, 13, 17, 17, 17, 17, 17, 19, 19, 19, 19, 23, 23, 23, 23, 23, 23, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 37, 37, 37, 37, 37, 37, 41, 41, 41, 41, 41, 41, 41, 43 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Lengths of runs gives A064425 prefixed by a 2. LINKS Table of n, a(n) for n=1..74. Index entries for sequences related to EKG sequence EXAMPLE a(1)=2 because the least integer absent in EKG with 1 term, {1}, is 2; a(2..4)=3 because the least integer absent in EKG with 4 terms, {1,2,4,6}, is 3; a(5..9)=5 because the least integer absent in EKG with 9 terms, {1,2,4,6,3,9,12,8,10}, is 5; a(10..13)=7 because the least integer absent in EKG with 15 terms, {1,2,4,6,3,9,12,8,10}, is 7. CROSSREFS Cf. A064413, A064425. Sequence in context: A353710 A284397 A284374 * A295820 A164023 A097224 Adjacent sequences: A137844 A137845 A137846 * A137848 A137849 A137850 KEYWORD nonn AUTHOR Zak Seidov, May 12 2008 EXTENSIONS Entries checked by Jacques Tramu and Vladeta Jovovic. STATUS approved

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Last modified May 23 11:42 EDT 2024. Contains 372760 sequences. (Running on oeis4.)