A033163 Begins with (3, 5) and avoids 3-term arithmetic progressions.

3, 5, 6, 8, 12, 14, 15, 17, 30, 32, 33, 35, 39, 41, 42, 44, 84, 86, 87, 89, 93, 95, 96, 98, 111, 113, 114, 116, 120, 122, 123, 125, 246, 248, 249, 251, 255, 257, 258, 260, 273, 275, 276, 278, 282, 284, 285, 287, 327, 329, 330, 332, 336, 338, 339, 341, 354, 356, 357, 359, 363

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

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

• Eric Weisstein's World of Mathematics, Nonarithmetic Progression Sequence

Crossrefs

a(n) = A186776(n)+3 = A004793(n)+2 = A033160(n)+1. Cf. A185256.