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Table of n, a(n) for n=0..28.
Prime[2^Range[0, 30]+1] (* Harvey P. Dale, Jan 19 2014 *)
Cf. A000040, A033844, A018249, A051438, A051440.
Sequence in context: A139376 A074892 A074874 * A076051 A214873 A018116
Adjacent sequences: A051436 A051437 A051438 * A051440 A051441 A051442
N. J. A. Sloane.
More terms from Michael Lugo (mlugo(AT)thelabelguy.com), Dec 22 1999