A088650 a(n) is the smallest x such that A020498(k) + x is prime for all k = 1 to n.

1, 2, 4, 4, 4, 4, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

Offset: 1

Author

Amarnath Murthy, Oct 29 2003

Keywords

• more
• nonn
• hard

Comments

Is the sequence finite?

Examples

			a(4)= 4 and the primes arising are 5, 7, 11, and 13.
		

Crossrefs

Cf. A020498.

Extensions

Corrected and extended by Max Alekseyev, Aug 23 2013