Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A109280
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A109280 Numbers n such that z(n) and z(n+1) are both prime, where z(n) = a^d + b^d + c^d + ..., where a*b*c* ... is the prime factorization of n and d is the largest digit of n. +0
2
10, 11, 567, 1209, 2034, 3114, 3311, 5243, 5290, 7256, 7436, 9558, 10110, 10111, 13251, 14409, 17536, 20344, 21534, 26411, 26816, 29078, 30232, 34160, 37074, 40022, 44849, 45373, 45815, 50630, 53577, 55555, 56030, 62355, 62463, 65540 (list; graph; listen)
page 1

Search completed in 0.001 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.