A128420 Numbers n such that p(n)# + p(n+1)# -1 is prime, where p(n)# is the product of first n primes (A002110).
0, 1, 3, 6, 8, 10, 12, 37, 72, 92, 142, 295, 1529, 1625, 1914, 2276, 4423
Offset: 1
Keywords
Extensions
Corrected by Emeric Deutsch, Mar 06 2007
Edited by Ray Chandler, Mar 13 2007