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A130011 A self-describing sequence. Pick any integer n in the sequence; this n says: "There are n terms in the sequence which are <= 3n". This sequence is the slowest increasing one with this property. 0
1, 4, 5, 12, 15, 16, 17, 18, 19, 20, 21, 36, 37, 38, 45, 48, 51, 54, 57, 60, 63, 64, 65, 66, 67, 68, 69 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

See comments of A094591 and A037988.

CROSSREFS

Sequence in context: A034773 A080277 A047608 * A050022 A137619 A115375

Adjacent sequences:  A130008 A130009 A130010 * A130012 A130013 A130014

KEYWORD

base,easy,more,nonn

AUTHOR

Eric Angelini (eric.angelini(AT)kntv.be), Jun 15 2007

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Last modified February 17 08:34 EST 2012. Contains 205998 sequences.