- n=300-500k, 18k left (381, 486, 714, 1193, 1195, 1338, 1557, 1678, 1762, 1889, 1991, 2196, 2817, 3058, 3618, 3891, 3981, 4016)
- runtime 47min-2h13min (AVX@3.9Ghz)

621*198^53839+1 found by paleseptember
2253*198^54740+1 found by Johnny Rotten
706*198^55247+1 found by Johnny Rotten
2084*198^56478+1 found by Joe
2864*198^62462+1 found by Johnny Rotten
4014*198^73851+1 found by Johnny Rotten
2976*198^78439+1 found by Johnny Rotten
1074*198^86150+1 found by Joe
374*198^107061+1 found by WezH
1298*198^111140+1 found by Crashtest
2064*198^119353+1 found by [P3D] Crashtest
1812*198^125038+1 found by Science United
907*198^146965+1 found by Science United
979*198^163163+1 found by esek
311*198^185351+1 found by Sightus@CAU
3338*198^189979+1 found by Science United
2924*198^199954+1 found by Tamagoch
996*198^221424+1 found by [P3D] Crashtest
173*198^230988+1 found by Science United
996*198^248604+1 found by Science United
2071*198^257507+1 found by computerguy09
907*198^276738+1 found by Sightus@CAU
2400*198^306460+1 found by Sightus@CAU
3431*198^329623+1 found by DukeBox
2400*198^341554+1 found by Sightus@CAU
2427*198^359830+1 found by cineon_lut [BlackOps]
2287*198^371608+1 found by Science United
4065*198^384400+1 found by Science United
2427*198^387222+1 found by Arkhenia (TOP5000)
2389*198^393078+1 found by LCB001 (TOP5000)