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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A159002 a(n) is the smallest integer k such that the digits of n are at the n-th place in n^k (0 if there is no such k). 0
 1, 5, 5, 5, 6, 7, 32, 10, 9, 0, 11, 81, 17, 64, 74, 347, 185, 187, 34, 65, 16, 112, 178, 29, 18, 91, 117, 142, 183, 61, 21, 259, 66, 114, 166, 27, 28, 67, 27, 65, 26, 120, 33, 37, 99, 177, 103, 60, 29, 71, 110, 69, 200, 132 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..54. Jean-Marc Falcoz, a(n) is the smallest integer k such that the digits of n are at the n-th place in n^k (0 if there is no such k) EXAMPLE a(13) = 17, because 13^17 = 8650415919381337933, and starting at the 13th place, we have 13. CROSSREFS Sequence in context: A283076 A046263 A092279 * A127934 A205236 A266948 Adjacent sequences: A158999 A159000 A159001 * A159003 A159004 A159005 KEYWORD nonn,base AUTHOR Jean-Marc Falcoz, Apr 02 2009 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 13 08:08 EDT 2024. Contains 374274 sequences. (Running on oeis4.)