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A132198
a(n) is the least prime >= 2^(2^n).
2
2, 5, 17, 257, 65537, 4294967311, 18446744073709551629, 340282366920938463463374607431768211507, 115792089237316195423570985008687907853269984665640564039457584007913129640233
OFFSET
0,1
COMMENTS
The next term has 155 digits. - Harvey P. Dale, Aug 31 2016
For further terms, consult A097521 or A129786. - Jeppe Stig Nielsen, Nov 18 2019
MAPLE
2, seq(nextprime(2^(2^n)), n=1..8); # Emeric Deutsch, Nov 26 2007
MATHEMATICA
Join[{2}, NextPrime/@(2^(2^Range[8]))] (* Harvey P. Dale, Aug 31 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Nov 05 2007
EXTENSIONS
More terms from Emeric Deutsch, Nov 26 2007
STATUS
approved