Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A062729
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A062729 n not divisible by any prime=p, where either p-2 or p+2 is prime. +0
1
1, 2, 4, 8, 16, 23, 32, 37, 46, 47, 53, 64, 67, 74, 79, 83, 89, 92, 94, 97, 106, 113, 127, 128, 131, 134, 148, 157, 158, 163, 166, 167, 173, 178, 184, 188, 194, 211, 212, 223, 226, 233, 251, 254, 256, 257, 262, 263, 268, 277, 293, 296 (list; graph; listen)
OFFSET

0,2

EXAMPLE

46 is included because 46 = 2 * 23 and neither (2+2), (2-2), (23+2), nor (23-2) is prime.

CROSSREFS

Sequence in context: A007612 A112395 A004207 this_sequence A004620 A018618 A108566

Adjacent sequences: A062726 A062727 A062728 this_sequence A062730 A062731 A062732

KEYWORD

nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Jul 11 2001

page 1

Search completed in 0.002 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 July 25 07:41 EDT 2008. Contains 142293 sequences.


AT&T Labs Research