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Irregular primes with irregularity index five.
6

%I #22 Mar 05 2019 11:14:36

%S 78233,94693,162791,334183,432749,675823,679519,700643,731593,754969,

%T 845309,1143067,1200779,1225157,1427927,1597721,1616617,1625539,

%U 1830481,1862593,1917871,1954349,2037911,2149453,2220497,2467243,2483713,2585953,2620589,2623343

%N Irregular primes with irregularity index five.

%H Amiram Eldar, <a href="/A219333/b219333.txt">Table of n, a(n) for n = 1..16410</a> (calculated by Hart et al., terms 1..127 from T. D. Noe, calculated by Buhler et al.)

%H J. Buhler, R. Crandall, R. Ernvall, T. Metsankyla and M. A. Shokrollahi, <a href="http://dx.doi.org/10.1006/jsco.1999.1011">Irregular Primes and Cyclotomic Invariants to 12 Million</a>, J. Symbolic Computation 31, 2001, 89-96.

%H William Hart, David Harvey and Wilson Ong, <a href="https://doi.org/10.1090/mcom/3211">Irregular primes to two billion</a>, Mathematics of Computation, Vol. 86, No. 308 (2017), pp. 3031-3049; also available at <a href="https://arxiv.org/abs/1605.02398">arXiv:1605.02398 [math.NT]</a>, 2016.

%H David Harvey, <a href="https://web.maths.unsw.edu.au/~davidharvey/papers/twobillion/">Irregular primes to two billion</a> (includes a list of all primes less than 2^31).

%Y Cf. A061576, A007703, A000928, A073276, A073277, A060975, A219332, A219334, A219335.

%K nonn

%O 1,1

%A _Robert G. Wilson v_, Nov 18 2012