A234853 Indices of primes in A234851.

2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 15, 16, 18, 19, 20, 22, 26, 27, 29, 30, 34, 35, 37, 40, 44, 46, 48, 50, 53, 54, 55, 59, 60, 61, 62, 68, 76, 79, 80, 81, 85, 89, 91, 94, 96, 99, 100, 102, 110, 111, 112, 117, 122, 123, 125, 126, 134, 138, 139, 141, 144, 147

Offset: 1

Author

M. F. Hasler, Dec 31 2013

Keywords

• nonn

Crossrefs

Cf. A000040, A000720, A014692, A234850, A234851, A234852, A234695.

Programs

PARI

c=0;for(k=1,1999,isprime(prime(k)-k+1)&&c++&&isprime(k)&&print1(c", "))