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!)
A138691 Numbers of the form 68+p^2 (where p is a prime). 5
72, 77, 93, 117, 189, 237, 357, 429, 597, 909, 1029, 1437, 1749, 1917, 2277, 2877, 3549, 3789, 4557, 5109, 5397, 6309, 6957, 7989, 9477, 10269, 10677, 11517, 11949, 12837, 16197, 17229, 18837, 19389, 22269, 22869, 24717, 26637, 27957, 29997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

68 + p^2 is divisible by 3 for any prime p > 3. - M. F. Hasler

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[2*34 + Prime[p + 1]^2, {p, 0, 100}]

Prime[Range[50]]^2+68 (* Harvey P. Dale, Oct 19 2011 *)

PROG

(PARI) forprime(p=1, 1e2, print1(68+p^2, ", ")) \\ Felix Fröhlich, Jul 07 2014

CROSSREFS

Cf. A138479, A138685, A138686, A138691, A138692, A138693, A138694, A007528, A138696, A138697, A138698, A138699, A138700.

Sequence in context: A133899 A181466 A243541 * A039670 A065147 A214226

Adjacent sequences:  A138688 A138689 A138690 * A138692 A138693 A138694

KEYWORD

nonn

AUTHOR

Artur Jasinski, Mar 26 2008

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 April 10 19:06 EDT 2021. Contains 342853 sequences. (Running on oeis4.)