A005661 k in S implies 2k-2, 3k-3 in S. (Formerly M3779)

5, 8, 12, 14, 21, 22, 26, 33, 39, 40, 42, 50, 60, 63, 64, 75, 76, 78, 82, 96, 98, 114, 117, 118, 123, 124, 126, 147, 148, 150, 154, 162, 177, 186, 189, 190, 194, 222, 225, 226, 231, 232, 234, 243, 244, 246, 250, 285, 291, 292, 294, 298, 306, 322, 339, 348, 351

Offset

1,1

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

Example

From Seiichi Manyama, Feb 29 2024: (Start)
663, 994 and 1986 are terms and 1986 = 2*994 - 2 = 3*663 - 3.
3159, 4738 and 9474 are terms and 9474 = 2*4738 - 2 = 3*3159 - 3.
18711, 28066 and 56130 are terms and 56130 = 2*28066 - 2 = 3*18711 - 3. (End)

Crossrefs

Cf. A005659.

Sequence in context: A278040 A161394 A100493 * A190773 A212452 A184915

Adjacent sequences: A005658 A005659 A005660 * A005662 A005663 A005664

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Oct 01 2001

Status

approved