The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A065200 Numbers of the form n = m * p^k, with p prime, k >= 0, m squarefree and p > any prime factor of m. 4
 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 59, 61, 62, 64, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89, 91, 93 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a does not contain any arithmetic progression. The first 24 terms coincide with A053460. LINKS EXAMPLE a(17) = 18 = 2 * 3^2, whereas A065201(4) = 28 = 2^2 * 7 as 2 < 7. CROSSREFS Cf. A005117, A053460, A065201, A065202. Sequence in context: A316529 A329138 A334969 * A325361 A325397 A289812 Adjacent sequences:  A065197 A065198 A065199 * A065201 A065202 A065203 KEYWORD nonn AUTHOR Reinhard Zumkeller, Oct 21 2001 EXTENSIONS Edited by Franklin T. Adams-Watters, Oct 27 2006 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 20 06:51 EDT 2020. Contains 337264 sequences. (Running on oeis4.)