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A034771 Dirichlet convolution of d(n) (# of divisors) with b_n=2^(n-1). 0
1, 4, 6, 15, 18, 48, 66, 154, 267, 552, 1026, 2154, 4098, 8328, 16428, 33061, 65538, 131676, 262146, 525390, 1048716, 2099208, 4194306, 8393124, 16777251, 33562632, 67109392, 134234334, 268435458, 536904864, 1073741826, 2147549616 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..32.

CROSSREFS

Sequence in context: A055719 A117883 A106387 * A294457 A266883 A034764

Adjacent sequences:  A034768 A034769 A034770 * A034772 A034773 A034774

KEYWORD

nonn

AUTHOR

Erich Friedman

STATUS

approved

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Last modified August 18 15:00 EDT 2019. Contains 326106 sequences. (Running on oeis4.)