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Search: id:A050104
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A050104 a(n)=[ a(n-1)/4 ] if this is not among 0,a(1),...,a(n-2), else a(n)=3*a(n-1). +0
4
1, 3, 9, 2, 6, 18, 4, 12, 36, 108, 27, 81, 20, 5, 15, 45, 11, 33, 8, 24, 72, 216, 54, 13, 39, 117, 29, 7, 21, 63, 189, 47, 141, 35, 105, 26, 78, 19, 57, 14, 42, 10, 30, 90, 22, 66, 16, 48, 144, 432, 1296, 324, 972, 243, 60, 180, 540, 135 (list; graph; listen)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Sequence in context: A019675 A050129 A070343 this_sequence A021722 A094724 A008564

Adjacent sequences: A050101 A050102 A050103 this_sequence A050105 A050106 A050107

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

page 1

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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