A128197 Strong irregular primes. A prime is strong irregular iff it is a Bernoulli irregular prime and an Euler irregular prime.

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

Offset: 1

Author

Peter Luschny, Feb 27 2007

Keywords

• hard
• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..424
• 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, Euler Irregular Primes.
• The Prime Pages, Irregular Primes.

Crossrefs

Cf. A000040, A000928, A120337.