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Search: id:A139485
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A139485 a(1)=1. For m>=0 and 1<=k<=2^m, a(2^m +k) = a(k) + sum{j=1 to 2^m) a(j). +0
2
1, 2, 4, 5, 13, 14, 16, 17, 73, 74, 76, 77, 85, 86, 88, 89 (list; graph; listen)
OFFSET

1,2

COMMENT

A139486(n) = sum{j=1 to 2^n) a(j).

CROSSREFS

Cf. A139486.

Adjacent sequences: A139482 A139483 A139484 this_sequence A139486 A139487 A139488

Sequence in context: A050599 A102932 A128457 this_sequence A079407 A078652 A102992

KEYWORD

more,nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Apr 23 2008

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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