- n=170.2-400k, 97k left (452, 836, 862, 1026, 1768, 1832, 2014, 2502, 4066, 4086, 5186, 5238, 5362, 5916, 7108, 7284, 7992, 8102, 9456, 9988, 10066, 10176, 10310, 11652, 11814, 11964, 13758, 14214, 14458, 14746, 15162, 15188, 15292, 15402, 16156, 16176, 16782, 17018, 17294, 17996, 18238, 18482, 18966, 19036, 19094, 19778, 19928, 20864, 20968, 21410, 21534, 21876, 22338, 22754, 22996, 23100, 23486, 23490, 24676, 26550, 26636, 26814, 27016, 27248, 27634, 28488, 30196, 30682, 30684, 30978, 31036, 31048, 31594, 31748, 31776, 31902, 31966, 32166, 34434, 34492, 34818, 34952, 35052, 35764, 35788, 36048, 36116, 36232, 36358, 37148, 37516, 37600, 37758, 38256, 38458, 39056, 39712)
- runtime 13min29s-1h18min (AVX@3.8Ghz)

7786*3^911800+1 found by SeanHsu
4918*3^1169850+1 found by p3d-cluster (TOP5000)
13032*3^1031180+1 found by KySU (TOP5000)
18498*3^1235740+1 found by Luigi R. (TOP5000)
18420*3^1006270+1 found by Shaman
31924*3^1050325+1 found by grcpool.com (TOP5000)
30710*3^1074305+1 found by KySU (TOP5000)
34900*3^1080805+1 found by whizbang (TOP5000)
39636*3^1122080+1 found by grcpool.com (TOP5000)
39486*3^1177895+1 found by [AF] Skinny06 (TOP5000)
34398*3^1260170+1 found by Egon Olsen (TOP5000)
9760*3^1406070+1 found by Ralfy (TOP5000)
23492*3^1047860+1 found by grcpool.com-3 (TOP5000)
6414*3^1426625+1 found by whizbang (TOP5000)
31924*3^1428855+1 found bygrcpool.com-3 (TOP5000)
1018*3^1455600+1 found by grcpool.com (TOP5000)
25044*3^1464570+1 found by SeanHsu (TOP5000)
17616*3^1467400+1 found by Ralfy (TOP5000)
8658*3^1540430+1 found by Neriyah (TOP5000)
11996*3^1559395+1 found by grcpool.com (TOP5000)
14336*3^1563960+1 found by Neriyah (TOP5000)
33016*3^1696980+1 found by Tern (TOP5000)
38490*3^1709455+1 found by grcpool.com (TOP5000)
27602*3^1759590+1 found by vaughan (TOP5000)
14804*3^1778530+1 found by vaughan (TOP5000)
24704*3^1877135+1 found by grcpool.com (TOP5000)
32582*3^1901790+1 found by pixel1975 (TOP5000)
34202*3^1908800+1 found by 3yVfc2sXot5KWHfyytJ8xMf37KiZ (TOP5000)
38804*3^1913975+1 found by whizbang (TOP5000)