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!)
 A144921 Prime numbers p such that |A144912(b, b^2)| = p for some even b. 0
 7, 13, 19, 31, 37, 43, 61, 67, 73, 79, 97, 103, 109, 127, 139, 151, 157, 163, 181, 193, 199, 211, 223, 229, 241, 271, 277, 283, 307, 313, 331, 337, 349, 367, 373, 379, 397, 409, 421, 433, 439, 457, 463, 487, 499, 523, 541, 547, 571, 577, 601, 607, 613, 619 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS It is conjectured: - that every prime is a member of this sequence, A144918, A144919, or A144920; - that for all even b there exists some k < 10 such that |A144912(b, b^2 + k)| is prime. LINKS CROSSREFS Cf. A000040, A144912, A144918, A144919, A144920 Sequence in context: A107925 A002476 A123365 * A272409 A272406 A272384 Adjacent sequences:  A144918 A144919 A144920 * A144922 A144923 A144924 KEYWORD easy,nonn AUTHOR Reikku Kulon, Sep 25 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.

Last modified February 23 21:20 EST 2020. Contains 332195 sequences. (Running on oeis4.)