A339566 Primes p such that A007088(p) == 1 (mod p).

5, 137, 3967, 25087, 242899421

Offset: 1

Author

Robert Israel, Dec 09 2020

Keywords

• nonn
• more

Examples

			a(3) = 3967 is in the sequence because 3967 = 111101111111_2 and 111101111111 == 1 (mod 3967).
		

Crossrefs

Cf. A007088, A339544.

Primes in A339567.

Programs

Maple

p:= 1: R:= NULL:
while p < 3*10^8 do
p:= nextprime(p);
if convert(p,binary) mod p = 1 then R:= R, p fi
od:
R;

Python

from sympy import nextprime
A339566_list, p = [], 2
while p < 10**10:
    if int(bin(p)[2:]) % p == 1:
        A339566_list.append(p)
    p = nextprime(p) # Chai Wah Wu, Dec 14 2020