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A088847 a(n)=sigma[A087979(n)/phi[n]] or 0 if A087979(n) is not a balanced number. 0
1, 1, 3, 4, 4, 6, 6, 8, 9, 8, 10, 12, 12, 14, 15, 16, 16, 18, 18, 20, 21, 20, 22 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..23.

EXAMPLE

While A088830 includes special balanced numbers, A087979 does not include per definitionem. Nevertheless, it seems that A087979 consists only of balanced numbers. This is provable at least for special cases.

CROSSREFS

Cf. A087979, A020492, A088830.

Sequence in context: A014683 A213222 A166737 * A120613 A277193 A240728

Adjacent sequences:  A088844 A088845 A088846 * A088848 A088849 A088850

KEYWORD

more,nonn

AUTHOR

Labos Elemer, Nov 17 2003

STATUS

approved

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Last modified August 21 18:26 EDT 2019. Contains 326168 sequences. (Running on oeis4.)