Fermat numbers: 2^(2^n) + 1, n >= 0.
3, 5, 17, 257, 65537, 4294967297, 18446744073709551617
5 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Sat Aug 28 20:31:02 CEST 2010 [seqfan] Solvability of equation x^3+y^3+z^3=0 in integers of real and imaginary quadratic fields
Mon Feb 8 12:23:26 CET 2010 [seqfan] Re: Fwd: Primes in an exponential sequence
Sat Feb 14 06:36:21 CET 2009 [seqfan] Re: Questions relating to "Sums of three Fermat numbers" -- sums of 5? Primes in A155877? Artificial or not?
Sat Feb 14 04:29:46 CET 2009 [seqfan] Questions relating to "Sums of three Fermat numbers" -- sums of 5? Primes in A155877? Artificial or not?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.