A122654 Smallest prime p such that p^2 equal to the sum of 2n+1 consecutive odd primes, or 1 if such a prime does not exist.

7, 31, 13, 29, 107, 293, 821, 379, 293, 83, 31, 241, 37, 653, 43, 211, 73, 1123, 311, 1567, 1607, 929, 233, 4801, 601, 5087, 307, 163, 709, 1021, 983, 191, 1327, 241, 5443, 157, 277, 151, 743, 4651, 32371, 1493, 1373, 8521, 683, 7919, 947, 1279, 10847, 1613

Offset: 1

Author

Alexander Adamchuk, Sep 21 2006

Keywords

• nonn

Examples

			a(1) = 7 because A122560[1] = 7 and 7^2 = 49 = 13 + 17 + 19 = p(6) + p(7) + p(8).
		

Crossrefs

Cf. A122560, A070934.

Extensions

More terms from Don Reble, Sep 22 2006