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Search: id:A045131
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A045131 Numbers n with property that in base 4 representation the numbers of 1's and 3's are 4 and 2, respectively. +0
1
1375, 1399, 1405, 1495, 1501, 1525, 1879, 1885, 1909, 2005, 3415, 3421, 3445, 3541, 3925, 4447, 4471, 4477, 4567, 4573, 4597, 4951, 4957, 4981, 5077, 5215, 5239, 5245, 5335, 5341, 5365, 5407, 5431, 5437, 5455, 5487 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A060981 A140125 A069490 this_sequence A056049 A056087 A122692

Adjacent sequences: A045128 A045129 A045130 this_sequence A045132 A045133 A045134

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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