A113887 Numbers n such that floor(exp(sqrt(n))) is a prime number.

1, 3, 4, 6, 10, 12, 17, 21, 26, 30, 53, 54, 58, 83, 95, 109, 111, 128, 131, 137, 145, 157, 165, 166, 181, 195, 202, 244, 261, 265, 290, 306, 324, 343, 353, 369, 386, 415, 417, 418, 438, 468, 473, 503, 633, 704, 735, 758, 859, 903, 919, 955, 979, 987, 1008, 1016

Offset

1,2

Links

Table of n, a(n) for n=1..56.

Mathematica

Select[ Range@1044, PrimeQ@ Floor@ Exp@ Sqrt@ # &] (* Robert G. Wilson v *)

Crossrefs

Cf. A050808.

Sequence in context: A057477 A309317 A249666 * A103000 A344516 A392178

Adjacent sequences: A113884 A113885 A113886 * A113888 A113889 A113890

Keyword

nonn

Author

Stefan Steinerberger, Jan 28 2006

Extensions

More terms from Robert G. Wilson v, Jan 30 2006

Status

approved