A145230 Numbers of different values of the minimal factors s for primes of the form 4k+1 not exceeding 10^n (see A145215)

1, 2, 3, 7, 17, 38

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Crossrefs

A145016 A145022 A145023 A145047 A145048 A145049 A145050 A145215

Sequence in context: A155548 A191033 A105554 * A135364 A051291 A178178

Adjacent sequences: A145227 A145228 A145229 * A145231 A145232 A145233

Keyword

nonn

Author

Vladimir Shevelev, Oct 05 2008

Status

approved