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A128197 Strong irregular primes. A prime is strong irregular iff it is a Bernoulli irregular prime and a Euler irregular prime. 3
67, 101, 149, 263, 307, 311, 353, 379, 433, 461, 463, 491, 541, 577, 587, 619, 677, 691, 751, 761, 773, 811, 821, 877, 887, 929, 971, 1151, 1229, 1279, 1283, 1291, 1307, 1319, 1381, 1409, 1429, 1439, 1523, 1559, 1621, 1637, 1663, 1733, 1759, 1787, 1831, 1877 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

Bernd C. Kellner, On irregular prime power divisors of the Bernoulli numbers, Math. Comp. 76 (2007) 405-441.

Peter Luschny, Irregular Bernoulli and Euler Primes.

The Prime Pages, Irregular Primes

The Prime Pages, Euler Irregular

CROSSREFS

Cf. A000040, A000928, A120337.

Sequence in context: A180557 A127732 A071958 * A140541 A136077 A180521

Adjacent sequences:  A128194 A128195 A128196 * A128198 A128199 A128200

KEYWORD

hard,nonn

AUTHOR

Peter Luschny, Feb 27 2007

STATUS

approved

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Last modified September 22 00:25 EDT 2017. Contains 292326 sequences.