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A333664
Numbers k such that k + 2, k^2 + 2^2, k^4 + 2^4, k^8 + 2^8, k^16 + 2^16 and k^32 + 2^32 are primes.
1
2321204055, 5231769977, 9913873697, 20866771125, 31610423987, 32781538517, 36537262157, 40472098305, 55135116465, 58852670687, 59789331177, 74514337967, 78206135657, 92237967447, 96154659567, 96567686195, 106053318825, 121476304065, 174983141235, 196311688647, 200394128147, 220092205085, 222433800045, 236131373415, 248686299537
OFFSET
1,1
LINKS
CROSSREFS
Subsequence of A285390.
Sequence in context: A022240 A251490 A277720 * A090875 A132907 A038685
KEYWORD
nonn
AUTHOR
Chai Wah Wu, Sep 03 2020
EXTENSIONS
a(12)-a(19) from Chai Wah Wu, Sep 04 2020
a(20)-a(25) from Bert Dobbelaere, Sep 06 2020
STATUS
approved