A355979 Indices of primes in A001835.

2, 3, 4, 6, 7, 10, 12, 19, 22, 75, 114

Offset

1,1

Comments

Related to the search of solutions of the pair of congruences p^2 == -2 (mod q), q^2 == -2 (mod p).

Cosgrave and Dilcher list terms up to 25000, including probable primes (and have a typo 23 for 22).

Links

Table of n, a(n) for n=1..11.

J. B. Cosgrave and K. Dilcher, Pairs of reciprocal quadratic congruences involving primes, Fib. Quart. 51 (2) (2013) 98, after Theorem 3.

Formula

A096147(n) = A001835(a(n)).

Crossrefs

Cf. A001835, A096147.

Sequence in context: A328172 A239468 A336815 * A119793 A181436 A378615

Adjacent sequences: A355976 A355977 A355978 * A355980 A355981 A355982

Keyword

nonn,more

Author

R. J. Mathar, Jul 22 2022

Status

approved