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A033161 Begins with (2, 5); avoids 3-term arithmetic progressions. 1
2, 5, 6, 9, 11, 14, 15, 18, 29, 32, 33, 36, 38, 41, 42, 45, 83, 86, 87, 90, 92, 95, 96, 99, 110, 113, 114, 117, 119, 122, 123, 126, 245, 248, 249, 252, 254, 257, 258, 261, 272, 275, 276, 279, 281, 284, 285, 288, 326, 329, 330, 333, 335, 338, 339, 342, 353, 356, 357, 360, 362 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Iacobescu, F. 'Smarandache Partition Type and Other Sequences.' Bull. Pure Appl. Sci. 16E, 237-240, 1997.

H. Ibstedt, A Few Smarandache Sequences, Smarandache Notions Journal, Vol. 8, No. 1-2-3, 1997, 170-183.

LINKS

Table of n, a(n) for n=1..61.

Eric Weisstein's World of Mathematics, Nonarithmetic Progression Sequence

CROSSREFS

a(n) = A033157(n)+1

Sequence in context: A285347 A187836 A046160 * A024516 A286341 A284657

Adjacent sequences:  A033158 A033159 A033160 * A033162 A033163 A033164

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 21 23:29 EST 2019. Contains 320381 sequences. (Running on oeis4.)