A031158 Twin lucky numbers (lower terms).

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

Author

Patrick De Geest

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A000959, A031158, A031159, A031160.