login
This site is supported by donations to The OEIS Foundation.

 

Logo

110 people attended OEIS-50 (videos, suggestions); annual fundraising drive to start soon (donate); editors, please edit! (stack is over 300), your editing is more valuable than any donation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032724 Numbers n such that n prefixed by '8' and followed by '7' is prime. 0
2, 5, 7, 8, 11, 14, 16, 23, 28, 29, 31, 37, 38, 44, 46, 52, 53, 59, 62, 64, 67, 70, 73, 74, 80, 83, 86, 88, 101, 104, 107, 109, 115, 119, 130, 145, 151, 152, 154, 163, 164, 166, 167, 170, 172, 173, 181, 184, 193, 196, 200, 203, 206, 220, 221, 223, 226, 230, 238 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..59.

CROSSREFS

Sequence in context: A051279 A111199 A138671 * A153308 A216565 A192111

Adjacent sequences:  A032721 A032722 A032723 * A032725 A032726 A032727

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, May 15, 1998.

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified October 31 12:07 EDT 2014. Contains 248864 sequences.