- n=50-100k, 51k left (4385, 7487, 8693, 10002, 12114, 12192, 13220, 18770, 19344, 21647, 23868, 25653, 32057, 33018, 34598, 38448, 39044, 40688, 41375, 41510, 42743, 44663, 45444, 45720, 46853, 47163, 47294, 47807, 50919, 51650, 52473, 54525, 55143, 55950, 58980, 59855, 62199, 63432, 66644, 67818, 68775, 72474, 73022, 73448, 75077, 77837, 78494, 86859, 87407, 90008, 90284)
- runtime 2-10min (AVX@3.8Ghz)

4688*136^50072-1 found by Pete Broad
13280*136^52153-1 found by Johnny Rotten
73668*136^53179-1 found by zombie67 [MM]
66993*136^53958-1 found by emoga
83900*136^58077-1 found by ku4jb
34662*136^60921-1 found by vanos0512
63293*136^63646-1 found by [AT-Sollenau] Thomas Turk
9848*136^74282-1 found by vanos0512
88254*136^76152-1 found by Johnny Rotten
14715*136^79844-1 found by vanos0512
12605*136^84371-1 found by vanos0512
17948*136^93193-1 found by lore007
64028*136^97970-1 found by Joe