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A131739 a(4n)=a(4n+1)=n, a(4n+2)=3n+2, a(4n+3)=3n+3. 0
0, 0, 2, 3, 1, 1, 5, 6, 2, 2, 8, 9, 3, 3, 11, 12, 4, 4, 14, 15, 5, 5, 17, 18, 6, 6, 20, 21, 7, 7, 23, 24, 8, 8, 26, 27, 9, 9, 29, 30, 10, 10, 32, 33, 11, 11, 35, 36, 12, 12, 38, 39, 13, 13, 41, 42, 14, 14, 44, 45, 15, 15, 47, 48, 16, 16, 50, 51, 17, 17, 53, 54, 18, 18, 56, 57, 19, 19, 59 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A166029 A049278 A194680 * A011151 A140878 A182933

Adjacent sequences:  A131736 A131737 A131738 * A131740 A131741 A131742

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Sep 19 2007

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Last modified February 16 08:11 EST 2012. Contains 205891 sequences.