|
Search: id:A073476
|
|
|
| A073476 |
|
n^4 + 1, (n+2)^4 + 1 and (n+4)^4 + 1 are all primes. |
|
+0
1
|
|
| 2, 2222, 2732, 3998, 5356, 5358, 5626, 8034, 9402, 9972, 10006, 10930, 12188, 12322, 12702, 13372, 14536, 15038, 15962, 21396, 24704, 25446, 27118, 29566, 36126, 36604, 36732, 36734, 37550, 37552, 37554, 44176, 44218, 48164, 48978
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
2222^4+1, 2224^4+1 and 2226^4+1 are prime
|
|
MATHEMATICA
|
Select[Range[5000], PrimeQ[ #^4 + 1] && PrimeQ[(# + 2)^4 + 1] && PrimeQ[(# + 4)^4 + 1] & ]
|
|
CROSSREFS
|
Cf. A000068, n such that n^4+1 is prime.
Sequence in context: A004813 A089981 A028487 this_sequence A051103 A005800 A133074
Adjacent sequences: A073473 A073474 A073475 this_sequence A073477 A073478 A073479
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Martin Raab (raab-martin(AT)gmx.de), Aug 26 2002
|
|
EXTENSIONS
|
More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 28 2002
|
|
|
Search completed in 0.002 seconds
|
