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A161793 If b(n) is the number of 0's in the binary representation of n, then the positive integer n is included if n = k^b(n), for some k = integer. +0
2
1, 2, 4, 5, 6, 8, 9, 11, 13, 14, 16, 23, 25, 27, 29, 30, 32, 47 (list; graph; listen)
OFFSET

1,2

EXAMPLE

25 in binary is 11001, which has two 0's. Since 25 = 5^2, with an exponent of 2, then 25 is included in this sequence.

CROSSREFS

A161792

Sequence in context: A047317 A099797 A004059 this_sequence A048262 A030326 A080086

Adjacent sequences: A161790 A161791 A161792 this_sequence A161794 A161795 A161796

KEYWORD

base,more,nonn

AUTHOR

Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Jun 19 2009

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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