A087294 Primes resulting from A087293.

113, 613, 24421, 2042221, 60731221, 102975601, 253102501, 327449641, 722798221, 2284271641, 46414646521, 57358506301, 89249322541, 129933236221, 185045469601, 215232948901, 323617365541, 554037063901, 732039110041, 2373042229801, 3076710505441, 3443735055601

Offset: 1

Author

Ray Chandler, Aug 31 2003

Keywords

• nonn

Examples

			113 is in the sequence because ((prime(2)*prime(3))^2 + 1)/2 = ((3*5)^2 + 1)/2 = 113 is prime.
		

Crossrefs

Cf. A086893, A087293.

Extensions

Offset changed to 1 and more terms from Jinyuan Wang, Aug 06 2021