A113420 Number of Pierpont primes less than 10^n.

4, 10, 18, 25, 32, 42, 50, 58, 65, 72, 78, 83, 93, 106, 114, 125, 139, 143, 149, 157, 167, 176, 183, 194, 198, 209, 219, 221, 229, 237, 243, 250, 260, 270, 273, 278, 286, 294, 304, 314, 317, 323, 327, 337, 342, 352, 362, 371, 377, 394, 399, 405, 414, 420

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Pierpont Prime.

Crossrefs

Cf. A005109, A113412.

Sequence in context: A079287 A113804 A107372 * A053767 A225270 A073621

Adjacent sequences: A113417 A113418 A113419 * A113421 A113422 A113423

Keyword

nonn

Author

Eric W. Weisstein, Oct 29 2005

Status

approved