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Search: id:A037890
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A037890 a(n)=(1/2)*Sum{|d(i)-e(i)|} where Sum{d(i)*4^i} is the base 4 representation of n, and e(i) are the digits d(i) in reverse order. +0
1
0, 0, 0, 1, 0, 1, 2, 2, 1, 0, 1, 3, 2, 1, 0, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 2, 2, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 3, 2, 1, 0, 3, 2, 1, 0, 3, 2, 1, 0, 3, 2, 1, 0, 1, 0, 1, 2, 2, 1, 2, 3, 3, 2, 3, 4, 4, 3, 4, 5, 2, 1, 2, 3, 1, 0, 1, 2, 2, 1, 2 (list; graph; listen)
OFFSET

1,7

CROSSREFS

Sequence in context: A098884 A039800 A109246 this_sequence A037898 A037836 A055290

Adjacent sequences: A037887 A037888 A037889 this_sequence A037891 A037892 A037893

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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