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A073476
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n^4 + 1, (n+2)^4 + 1 and (n+4)^4 + 1 are all primes.
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0
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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; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 2222^4+1, 2224^4+1 and 2226^4+1 are prime
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MATHEMATICA
| Select[Range[5000], PrimeQ[ #^4 + 1] && PrimeQ[(# + 2)^4 + 1] && PrimeQ[(# + 4)^4 + 1] & ]
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CROSSREFS
| Cf. A000068, n such that n^4+1 is prime.
Sequence in context: A004813 A089981 A028487 * A051103 A005800 A200170
Adjacent sequences: A073473 A073474 A073475 * A073477 A073478 A073479
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KEYWORD
| nonn
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AUTHOR
| Martin Raab (raab-martin(AT)gmx.de), Aug 26 2002
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 28 2002
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