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A308012 List of x-coordinates of successive points on the middle one of the three lines formed by the terms of A081145. 1
1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 73, 76, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
See A081145 and A308009 for further information about the three lines.
LINKS
CROSSREFS
Sequence in context: A270139 A353159 A145441 * A077121 A302488 A348448
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 15 2019
STATUS
approved

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)