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
EXAMPLE
From Seiichi Manyama, Feb 29 2024: (Start)
87, 130 and 258 are terms and 258 = 2*130 - 2 = 3*87 - 3.
135, 202 and 402 are terms and 402 = 2*202 - 2 = 3*135 - 3.
231, 346 and 690 are terms and 690 = 2*346 - 2 = 3*231 - 3. (End)
CROSSREFS
Cf. A005661.
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org), Oct 01 2001
STATUS
approved