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

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A104048 Numbers n such that n11 is prime and n is a multiple of ten. 0
0, 20, 30, 50, 60, 80, 90, 120, 140, 170, 200, 210, 230, 270, 300, 360, 380, 410, 540, 590, 620, 650, 690, 710, 750, 840, 860, 870, 900, 980, 1080, 1130, 1200, 1220, 1260, 1290, 1310, 1460, 1470, 1490, 1500, 1560, 1620, 1640, 1770, 1820, 1880, 1890, 2010, 2030, 2100, 2220, 2240, 2270 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

If t=20, then t11 = 2011 (prime).

If t=170, then t11 = 17011 (prime).

If t=360, then t11 = 36011 (prime).

CROSSREFS

Cf. A101471.

Sequence in context: A095787 A198471 A120145 * A078499 A066027 A142342

Adjacent sequences:  A104045 A104046 A104047 * A104049 A104050 A104051

KEYWORD

base,nonn

AUTHOR

Parthasarathy Nambi, Mar 01 2005

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 July 28 00:26 EDT 2014. Contains 244987 sequences.