A210336 Pairs of consecutive primes {p,q} for which the numbers of distinct residues of all factorials mod p and mod q are consecutive integers.

2, 3, 3, 5, 5, 7, 7, 11, 61, 67, 157, 163, 179, 181, 613, 617, 677, 683, 701, 709, 1433, 1439, 1523, 1531, 1723, 1733, 1733, 1741, 2081, 2083, 2273, 2281, 3917, 3919, 5737, 5741, 6329, 6337, 6691, 6701, 6991, 6997, 8329, 8353, 9173, 9181, 9533, 9539, 11831, 11833

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..266

Formula

pi(a(2*n)) = pi(a(2*n-1) + 1.

A210184(pi(a(2*n))) = A210184(pi(a(2*n-1))) + 1.

Crossrefs

Cf. A210184, A210242.

Sequence in context: A257539 A159050 A363433 * A280271 A145834 A339246

Adjacent sequences: A210333 A210334 A210335 * A210337 A210338 A210339

Keyword

nonn,tabf

Author

Vladimir Shevelev, Mar 20 2012

Extensions

Missing terms inserted and more terms added by Amiram Eldar, Sep 14 2019

Status

approved