A031159 Twin lucky numbers (upper terms).

3, 9, 15, 33, 51, 69, 75, 129, 135, 171, 195, 237, 261, 285, 321, 393, 429, 477, 489, 519, 537, 579, 615, 621, 645, 729, 741, 885, 897, 927, 933, 981, 993, 1011, 1023, 1041, 1095, 1107, 1203, 1233, 1251, 1263, 1389, 1419, 1473, 1497, 1503

Offset

1,1

Links

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

Crossrefs

Cf. A000959, A031158, A031159, A031160.

Sequence in context: A357764 A061810 A048701 * A058039 A371349 A013581

Adjacent sequences: A031156 A031157 A031158 * A031160 A031161 A031162

Keyword

nonn

Author

Patrick De Geest

Extensions

Offset corrected by Amiram Eldar, Nov 15 2019

Status

approved