Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A090260
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A090260 Beginning with 1, distinct numbers such that concatenation a(n+1), a(n), a(n+1) is a prime. +0
2
1, 3, 11, 13, 17, 7, 111, 23, 9, 19, 27, 43, 33, 29, 31, 41, 37, 21, 53, 51, 47, 39, 73, 107, 49, 59, 57, 61, 71, 63, 79, 77, 67, 87, 97, 81, 89, 103, 69, 109, 93, 113, 99, 1019, 123, 131, 117, 101, 1017, 139, 173, 91, 137, 171, 127, 143, 141, 83, 181, 119, 151, 129, 133 (list; graph; listen)
OFFSET

1,2

EXAMPLE

313,11311,131113 etc. are all primes.

CROSSREFS

Cf. A090261.

Adjacent sequences: A090257 A090258 A090259 this_sequence A090261 A090262 A090263

Sequence in context: A141386 A119231 A031449 this_sequence A020635 A127209 A052362

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 28 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Apr 22 2004

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 October 13 09:05 EDT 2008. Contains 145008 sequences.


AT&T Labs Research