This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A226938 Primes p such that p^4 + p - 1, p^4 + p^2 - 1, p^4 + p^3 - 1 are also prime. 1
 2, 3, 13, 43, 4909, 21283, 47417, 57301, 59951, 72647, 98713, 132623, 135841, 149101, 153371, 285463, 343489, 355519, 360823, 375101, 396997, 405901, 447197, 452377, 458797, 501173, 532379, 557153, 605947, 610199, 614071, 616079, 627901, 644051, 656141, 668417 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Peter J. C. Moses, Table of n, a(n) for n = 1..2000 FORMULA A226770(a^4(n) - 1) = 3. MATHEMATICA Select[Prime[Range[10000]], And@@PrimeQ[#1+{#2, #2^2, #2^3}]&[#^4-1, #]&] (* Peter J. C. Moses, Jul 05 2013 *) CROSSREFS Cf. A226770, A227129, A227276. Sequence in context: A280005 A235626 A164133 * A301395 A206776 A275556 Adjacent sequences:  A226935 A226936 A226937 * A226939 A226940 A226941 KEYWORD nonn AUTHOR Vladimir Shevelev, Jul 05 2013 EXTENSIONS More terms from Peter J. C. Moses 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 October 23 20:17 EDT 2019. Contains 328373 sequences. (Running on oeis4.)