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Search: id:A082693
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A082693 Pyramidal sequence built with powers of 2. +0
2
1, 2, 1, 2, 4, 2, 1, 2, 4, 8, 4, 2, 1, 2, 4, 8, 16, 8, 4, 2, 1, 2, 4, 8, 16, 32, 16, 8, 4, 2, 1, 2, 4, 8, 16, 32, 64, 32, 16, 8, 4, 2, 1, 2, 4, 8, 16, 32, 64, 128, 64, 32, 16, 8, 4, 2, 1, 2, 4, 8, 16, 32, 64, 128, 256, 128, 64, 32, 16, 8, 4, 2, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 256, 128 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A004738, A082693 (partial sums).

Adjacent sequences: A082690 A082691 A082692 this_sequence A082694 A082695 A082696

Sequence in context: A059151 A059149 A013943 this_sequence A097082 A082793 A114929

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 12 2003

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


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