login
A338936
Primes in A338935.
1
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
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
Sequence in context: A097016 A183257 A255456 * A175713 A090936 A366443
KEYWORD
nonn
AUTHOR
J. M. Bergot and Robert Israel, Nov 16 2020
STATUS
approved