A338936 Primes in A338935.

5, 5, 23, 17, 23, 71, 37, 29, 41, 103, 113, 71, 47, 101, 53, 359, 227, 293, 71, 79, 67, 83, 709, 89, 271, 149, 643, 107, 113, 401, 97, 257, 137, 227, 149, 1051, 167, 577, 263, 173, 127, 269, 839, 263, 191, 599, 359, 1399, 401, 709, 659, 1213, 157, 233, 359, 239, 223, 577, 353, 727, 251, 677, 257

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Formula

a(n) = A338935(A338930(n)).

Example

a(3) = A338935(18) = 23 is the third prime in A338935.

Maple

f:= n -> add(t^2 mod n, t = numtheory:-divisors(n)):
select(isprime, map(f, [$1..1000]));

Crossrefs

Cf. A338930, A338935.

Sequence in context: A097016 A183257 A255456 * A175713 A090936 A366443

Adjacent sequences: A338933 A338934 A338935 * A338937 A338938 A338939

Keyword

nonn

Author

J. M. Bergot and Robert Israel, Nov 16 2020

Status

approved