Numbers m such that m^2 + 1 = p*q with p, q primes and m = (p + q)/2 - 1.

Terms

a(0) =8a(1) =50a(2) =1250a(3) =1800a(4) =2450a(5) =9800a(6) =14450a(7) =20000a(8) =24200a(9) =101250a(10) =105800a(11) =135200a(12) =162450a(13) =168200a(14) =204800a(15) =304200a(16) =336200a(17) =451250a(18) =480200a(19) =490050a(20) =530450a(21) =696200a(22) =924800a(23) =966050a(24) =1008200a(25) =1125000a(26) =1155200a(27) =1428050a(28) =1805000a(29) =2332800