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A189784 (A189782)/2. 2
1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 15, 17, 18, 20, 21, 23, 24, 26, 27, 29, 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 45, 46, 47, 49, 50, 52, 53, 55, 56, 58, 59, 61, 62, 63, 65, 66, 68, 69, 71, 72, 74, 75, 77, 78, 79, 81, 82, 84, 85, 87, 88, 90, 91, 93, 94, 95, 97, 98, 100, 101, 103, 104, 106, 107, 108, 110, 111, 113, 114, 116, 117, 119, 120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A189781, A189782.

LINKS

Table of n, a(n) for n=1..83.

MATHEMATICA

(See A189781.)

CROSSREFS

Cf. A189781, A189782.

Sequence in context: A037087 A320829 A194145 * A062005 A039018 A284602

Adjacent sequences:  A189781 A189782 A189783 * A189785 A189786 A189787

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 27 2011

STATUS

approved

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Last modified September 20 08:13 EDT 2019. Contains 327214 sequences. (Running on oeis4.)