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 A022936 a(n) = a(n-1) + c(n-1) for n >= 2, a( ) increasing, given a(1)=4; where c( ) is complement of a( ). 2
 4, 5, 7, 10, 16, 24, 33, 44, 56, 69, 83, 98, 115, 133, 152, 172, 193, 215, 238, 263, 289, 316, 344, 373, 403, 434, 466, 500, 535, 571, 608, 646, 685, 725, 766, 808, 851, 896, 942, 989, 1037, 1086, 1136, 1187, 1239, 1292, 1346, 1401, 1458, 1516 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Ivan Neretin, Table of n, a(n) for n = 1..10000 MATHEMATICA Fold[Append[#1, #1[[#2]] + Complement[Range@Max@#1, #1][[#2]]] &, {4}, Range[50]] (* Ivan Neretin, Apr 04 2016 *) CROSSREFS Cf. A005228 and references therein. Sequence in context: A248858 A145018 A018910 * A057708 A032686 A074300 Adjacent sequences:  A022933 A022934 A022935 * A022937 A022938 A022939 KEYWORD nonn AUTHOR STATUS approved

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Last modified October 17 07:48 EDT 2019. Contains 328106 sequences. (Running on oeis4.)