login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032718 n prefixed by '1' and followed by '7' is a prime. 0
0, 2, 3, 5, 6, 9, 11, 18, 21, 23, 27, 29, 30, 32, 36, 42, 44, 48, 56, 59, 60, 62, 63, 65, 66, 69, 74, 77, 78, 84, 86, 87, 90, 98, 99, 102, 104, 105, 108, 111, 117, 119, 125, 128, 131, 143, 144, 146, 149, 152, 158, 159, 161, 165, 167, 171, 177, 180, 182, 186 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..59.

CROSSREFS

Sequence in context: A060714 A241819 A227070 * A086191 A074658 A186106

Adjacent sequences:  A032715 A032716 A032717 * A032719 A032720 A032721

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 | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 19:21 EDT 2020. Contains 333103 sequences. (Running on oeis4.)