A005662 Start with 4; if k appears then so do 2k+2 and 3k+3. (duplicates omitted.)
4, 10, 15, 22, 32, 33, 46, 48, 66, 68, 69, 94, 98, 99, 102, 134, 138, 140, 141, 147, 190, 198, 200, 201, 206, 207, 210, 270, 278, 282, 284, 285, 296, 297, 300, 309, 382, 398, 402, 404, 405, 414, 416, 417, 422, 423, 426, 444, 542, 558, 566, 570, 572, 573, 594
Offset: 1
Examples
208857, 313286 and 626574 are terms and 626574 = 2*313286 + 2 = 3*208857 + 3. - _Seiichi Manyama_, Feb 29 2024
References
- N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Links
- Seiichi Manyama, Table of n, a(n) for n = 1..10000
- R. K. Guy, Letter to N. J. A. Sloane with attachment, 1982
Crossrefs
Cf. A005660.
Extensions
More terms from Larry Reeves (larryr(AT)acm.org), Oct 01 2001