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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A064370 Zero, together with positive numbers k such that the prime(k) - k is a square. 8
 0, 1, 2, 12, 100, 118, 152, 190, 212, 258, 352, 462, 690, 741, 1285, 1396, 1417, 2119, 2318, 2603, 3370, 3777, 4073, 4155, 4485, 4522, 4600, 4719, 5317, 5446, 6697, 6748, 6985, 7144, 7595, 9492, 9551, 12010, 12985, 13438, 13850, 14672, 14739, 16510 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Harry J. Smith and Zak Seidov, Table of n, a(n) for n = 1..1000 (First 300 terms from Harry J. Smith) PROG (PARI) j=[]; for(n=0, 20000, if(n==0 || issquare(prime(n)-n), j=concat(j, n))); j (PARI) { n=0; default(primelimit, 20000000); for (m=0, 10^9, if (m==0 || issquare(prime(m) - m), write("b064370.txt", n++, " ", m); if (n==300, break)) ) } \\ Harry J. Smith, Sep 13 2009 CROSSREFS Sequence in context: A012550 A009816 A227084 * A138421 A224403 A219534 Adjacent sequences:  A064367 A064368 A064369 * A064371 A064372 A064373 KEYWORD easy,nonn AUTHOR Jason Earls, Sep 26 2001 EXTENSIONS Edited by Harry J. Smith and N. J. A. Sloane, Sep 13 2009 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.

Last modified August 10 02:28 EDT 2020. Contains 336367 sequences. (Running on oeis4.)