Smallest of three consecutive primes whose sum is a square.

Terms

a(0) =13a(1) =37a(2) =277a(3) =313a(4) =613a(5) =7591a(6) =8209a(7) =12157a(8) =14557a(9) =15679a(10) =16267a(11) =23053a(12) =32233a(13) =42953a(14) =44887a(15) =55213a(16) =81013a(17) =94687a(18) =105649a(19) =106397a(20) =135241a(21) =203317a(22) =221401a(23) =225769a(24) =235747a(25) =245941a(26) =258707a(27) =287671a(28) =306541a(29) =331333