The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A169682 Golomb-type sequence over primes. 2
 2, 2, 3, 3, 5, 5, 5, 7, 7, 7, 11, 11, 11, 11, 11, 13, 13, 13, 13, 13, 17, 17, 17, 17, 17, 19, 19, 19, 19, 19, 19, 19, 23, 23, 23, 23, 23, 23, 23, 29, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Suggested by Golomb's sequence A001462. Terms are primes in nondecreasing order; a(n) gives length of n-th run. It is understood that a(n) is taken to be the smallest number >= a(n-1) which is compatible with the description. LINKS Ivan Neretin, Table of n, a(n) for n = 1..10000 MATHEMATICA a = {2, 2}; Do[a = Join[a, Array[Prime[i]&, a[[i]]]], {i, 2, 12}]; a (* Ivan Neretin, Apr 03 2015 *) CROSSREFS Cf. A001462. Sequence in context: A059974 A045767 A108221 * A082524 A099961 A286107 Adjacent sequences: A169679 A169680 A169681 * A169683 A169684 A169685 KEYWORD nonn AUTHOR N. J. A. Sloane, following a posting to the Sequence Fans mailing list by Eric Angelini, Apr 13 2010 STATUS approved

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

Last modified July 20 15:12 EDT 2024. Contains 374459 sequences. (Running on oeis4.)