A134997 - OEIS

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A134997

Number of dihedral primes with n digits.

3

2, 1, 2, 2, 1, 14, 40, 52, 228, 482, 1592, 4758, 15810, 53202, 197429, 725196

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

C. K. Caldwell, The Prime Glossary, Dihedral Prime

C. Rivera, Source

CROSSREFS

Cf. A038136, A048662, A134996.

Sequence in context: A181281 A171683 A249130 * A355691 A337474 A104605

Adjacent sequences: A134994 A134995 A134996 * A134998 A134999 A135000

KEYWORD

nonn,base,more

AUTHOR

EXTENSIONS

a(1) corrected by Patrick Capelle, Feb 06 2008

a(11)-a(16) from Hiroaki Yamanouchi, Sep 04 2014

STATUS

approved