A145230 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

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