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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A049233 p_k + 2 is squarefree, where p_k is the k-th prime. 1
3, 5, 11, 13, 17, 19, 29, 31, 37, 41, 53, 59, 67, 71, 83, 89, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 157, 163, 179, 181, 191, 193, 197, 199, 211, 227, 229, 233, 239, 251, 257, 263, 269, 271, 281, 283, 293, 307, 311, 317, 337, 347, 353, 379, 383, 389 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

FORMULA

Abs[ mu[ Prime[ k ]+2 ]=1

CROSSREFS

Sequence in context: A087894 A059352 A059309 * A045402 A059634 A059315

Adjacent sequences:  A049230 A049231 A049232 * A049234 A049235 A049236

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

STATUS

approved

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

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

Last modified May 23 17:52 EDT 2013. Contains 225611 sequences.