1,2
A139486(n) = sum{j=1 to 2^n) a(j).
Cf. A139486.
Adjacent sequences: A139482 A139483 A139484 this_sequence A139486 A139487 A139488
Sequence in context: A050599 A102932 A128457 this_sequence A079407 A078652 A102992
more,nonn
Leroy Quet (qq-quet(AT)mindspring.com), Apr 23 2008
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