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.

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

Chai Wah Wu, Table of n, a(n) for n = 1..53

Crossrefs

Subsequence of A285390.

Sequence in context: A022240 A251490 A277720 * A090875 A132907 A038685

Adjacent sequences: A333661 A333662 A333663 * A333665 A333666 A333667

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