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Search: id:A030142
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A030142 Odd numbers in which parity of digits alternates. +0
1
1, 3, 5, 7, 9, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89, 101, 103, 105, 107, 109, 121, 123, 125, 127, 129, 141, 143, 145, 147, 149, 161, 163, 165, 167, 169, 181, 183, 185, 187, 189, 301, 303, 305, 307, 309, 321, 323 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Adjacent sequences: A030139 A030140 A030141 this_sequence A030143 A030144 A030145

Sequence in context: A083107 A003052 A003219 this_sequence A076185 A101813 A134719

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

page 1

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Last modified November 9 12:23 EST 2009. Contains 166233 sequences.


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