A005659 - OEIS

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A005659

If k appears so do 2k-2 and 3k-3. (duplicates omitted.)
(Formerly M3275)

4, 6, 9, 10, 15, 16, 18, 24, 27, 28, 30, 34, 42, 45, 46, 51, 52, 54, 58, 66, 69, 78, 81, 82, 87, 88, 90, 99, 100, 102, 106, 114, 123, 130, 132, 135, 136, 150, 153, 154, 159, 160, 162, 171, 172, 174, 178, 195, 196, 198, 202, 204, 210, 226, 231, 240, 243, 244, 258

(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)

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.