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A033922 Base 2 digital convolution sequence. +0
1
1, 1, 1, 2, 1, 2, 2, 3, 2, 3, 3, 4, 3, 4, 4, 5, 1, 2, 2, 3, 2, 3, 3, 4, 3, 4, 4, 5, 4, 5, 5, 6, 2, 3, 3, 4, 3, 4, 4, 5, 4, 5, 5, 6, 5, 6, 6, 7, 3, 4, 4, 5, 4, 5, 5, 6, 5, 6, 6, 7, 6, 7, 7, 8, 2, 3, 3, 4, 3, 4, 4, 5, 4, 5, 5, 6, 5, 6, 6, 7, 3, 4, 4, 5, 4, 5, 5, 6, 5, 6, 6, 7, 6, 7, 7, 8, 4, 5, 5, 6, 5, 6, 6, 7, 6 (list; graph; listen)
OFFSET

1,4

COMMENT

Is sequence correct? As a(0)=0, a(2n) should be = a(2n+1)?

FORMULA

For example, 6 = 110 in base 2, so a(6) = 1a(2)+1a(1)+0a(0).

CROSSREFS

Sequence in context: A071068 A137735 A029363 this_sequence A026922 A008624 A059169

Adjacent sequences: A033919 A033920 A033921 this_sequence A033923 A033924 A033925

KEYWORD

nonn,base

AUTHOR

Dave Wilson

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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