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 A035334 a(n) = smallest number which is not the sum of exactly 1 or a(n-1) earlier terms. 2
 1, 2, 5, 3, 14, 4, 39, 6, 119, 7, 352, 8, 706, 9, 2104, 10, 4209, 11, 8419, 12, 24552, 13, 49106, 15, 188594, 16, 524494, 17, 1933822, 18, 5605163, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Sean A. Irvine, Java program (github) EXAMPLE a(5)=14 since all earlier numbers are either in list (1,2,3,5) or the sum of 3 terms from list (4=1+1+2, 6=2+2+2, ..., 12=2+5+5, 13=3+5+5). CROSSREFS Cf. A055456. Sequence in context: A028415 A211306 A267101 * A243506 A341351 A285742 Adjacent sequences:  A035331 A035332 A035333 * A035335 A035336 A035337 KEYWORD nonn,more AUTHOR EXTENSIONS a(9)-a(16) from Henry Bottomley, May 19 2000 a(17)-a(26) from Larry Reeves (larryr(AT)acm.org), May 08 2001 a(27)-a(32) from Sean A. Irvine, Oct 07 2020 STATUS approved

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Last modified May 15 10:54 EDT 2021. Contains 343909 sequences. (Running on oeis4.)