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A022938 a(n) = a(n-1) + c(n-1) for n >= 2, a( ) increasing, given a(1)=6; where c( ) is complement of a( ). 2
6, 7, 9, 12, 16, 21, 29, 39, 50, 63, 77, 92, 109, 127, 146, 166, 188, 211, 235, 260, 286, 313, 341, 371, 402, 434, 467, 501, 536, 572, 609, 647, 687, 728, 770, 813, 857, 902, 948, 995, 1043, 1092, 1143, 1195, 1248, 1302, 1357, 1413, 1470, 1528 (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]]] &, {6}, Range[50]] (* Ivan Neretin, Apr 04 2016 *)

CROSSREFS

Cf. A005228 and references therein.

Sequence in context: A228499 A108595 A186079 * A048585 A169761 A049304

Adjacent sequences:  A022935 A022936 A022937 * A022939 A022940 A022941

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 21 15:03 EDT 2017. Contains 292300 sequences.