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A031158
Twin lucky numbers (lower terms).
8
1, 7, 13, 31, 49, 67, 73, 127, 133, 169, 193, 235, 259, 283, 319, 391, 427, 475, 487, 517, 535, 577, 613, 619, 643, 727, 739, 883, 895, 925, 931, 979, 991, 1009, 1021, 1039, 1093, 1105, 1201, 1231, 1249, 1261, 1387, 1417, 1471, 1495, 1501
OFFSET
1,2
LINKS
CROSSREFS
KEYWORD
nonn
STATUS
approved