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A038039 Sum {d|n} (2^d*3^(n/d)). 1
6, 30, 78, 246, 582, 1830, 4758, 14358, 41118, 122430, 360438, 1079742, 3213222, 9624990, 28798926, 86319894, 258673542, 775718310, 2326095798, 6976966422, 20927018814, 62775429150, 188311523478, 564911643486, 1694677889958 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

MATHEMATICA

Table[Total[2^Divisors[n] 3^(n/Divisors[n])], {n, 30}] (* Harvey P. Dale, Nov 08 2017 *)

CROSSREFS

Equals 6*A034735(n).

Sequence in context: A152743 A215906 A305163 * A258903 A050972 A259918

Adjacent sequences:  A038036 A038037 A038038 * A038040 A038041 A038042

KEYWORD

nonn,easy

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified April 19 09:03 EDT 2019. Contains 322241 sequences. (Running on oeis4.)