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A035044 Exchange 2 and 3!. 0
0, 1, 3, 2, 4, 5, 6, 7, 8, 9, 10, 11, 13, 12, 14, 15, 16, 17, 18, 19, 30, 31, 33, 32, 34, 35, 36, 37, 38, 39, 20, 21, 23, 22, 24, 25, 26, 27, 28, 29, 40, 41, 43, 42, 44, 45, 46, 47, 48, 49, 50, 51, 53, 52, 54, 55, 56, 57, 58, 59, 60, 61, 63, 62, 64, 65, 66, 67, 68 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A039858 A035558 A089401 * A171086 A096135 A092829

Adjacent sequences:  A035041 A035042 A035043 * A035045 A035046 A035047

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.