A164074 Prime p of the form a^b + c^d = p, where a, b, c, d are also primes.

13, 17, 29, 31, 41, 53, 59, 137, 157, 173, 251, 293, 347, 1373, 1459, 2213, 3253, 4493, 5333, 6863, 6961, 8219, 8317, 9413, 10613, 11317, 16811, 18773, 20359, 24421, 24517, 26437, 26573, 27893, 37253, 54293, 70969, 76733, 78157, 80173, 85853

Offset: 1

Author

Oleg Zyakun, Aug 12 2009

Keywords

• nonn

Examples

			2^2 + 3^2 = 13; 2^3 + 3^2 = 17; 2^2 + 5^2 = 29; 3^3 + 2^2 = 31;