1,12

conjecture : for n>5573 there is at least one such pair of primes p+q=2*n

Pierre CAMI, Table of n, a(n) for n=1..50000

11+13=24,7+17=24 so for n=12 2 pairs p,q such that p+q=2*12, p<q p and q have a cousin prime

Sequence in context: A027199 A140218 A193805 * A101428 A307223 A321787

Adjacent sequences: A159701 A159702 A159703 * A159705 A159706 A159707

nonn

Pierre CAMI, Apr 20 2009

approved