A181557 Indices k for which A031883(k) = 2 = A000959(k+1)-A000959(k), i.e., indices of (lesser) "twin" lucky numbers.

1, 3, 5, 9, 13, 16, 18, 27, 29, 35, 38, 46, 49, 53, 59, 69, 75, 80, 83, 87, 90, 95, 100, 102, 106, 117, 120, 136, 138, 141, 143, 149, 151, 154, 156, 159, 164, 167, 178, 182, 185, 187, 201, 205, 211, 215, 217, 221, 227, 229, 232, 246, 248, 256, 265, 271, 283, 286

Offset

1,2

Links

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

Crossrefs

Cf. A000959, A031883.

Sequence in context: A191129 A018533 A187569 * A286058 A342474 A076052

Adjacent sequences: A181554 A181555 A181556 * A181558 A181559 A181560

Keyword

nonn

Author

M. F. Hasler, Oct 31 2010

Status

approved