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1,1
Table of n, a(n) for n=1..5.
Eric Weisstein's World of Mathematics, Euler Number.
Eric Weisstein's World of Mathematics, Integer Sequence Primes
Select[Range[100], PrimeQ[EulerE[#]] &]/2 (* Harvey P. Dale, Aug 10 2011 *)
Cf. A000364.
Sequence in context: A061490 A048827 A032077 * A066735 A232498 A099069
Adjacent sequences: A014544 A014545 A014546 * A014548 A014549 A014550
more,nonn
Eric W. Weisstein
Offset corrected by Arkadiusz Wesolowski, Oct 17 2011
approved