A005661 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

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.