Smallest of four consecutive primes whose sum is a square.

Terms

a(0) =5a(1) =73a(2) =137a(3) =433a(4) =569a(5) =1217a(6) =5171a(7) =15859a(8) =16631a(9) =32027a(10) =35677a(11) =37619a(12) =39191a(13) =45767a(14) =59029a(15) =63997a(16) =65011a(17) =77813a(18) =92401a(19) =103669a(20) =186601a(21) =196201a(22) =230387a(23) =237161a(24) =261089a(25) =273517a(26) =439559a(27) =463747a(28) =484397a(29) =488573