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A066859 Product of sums of divisors and non-divisors. 0
0, 0, 8, 21, 54, 108, 160, 315, 416, 666, 648, 1400, 1078, 1944, 2304, 3255, 2430, 5148, 3400, 7056, 6368, 7812, 6048, 14400, 9114, 12978, 13520, 19600, 12150, 28296, 14848, 29295, 24624, 29214, 27936, 52325, 25270 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A000203(n)+A024816(n) = A000217(n).

LINKS

Table of n, a(n) for n=1..37.

FORMULA

a(n) = A000203(n)*A024816(n).

CROSSREFS

Sequence in context: A258448 A138179 A067334 * A227653 A296198 A301538

Adjacent sequences:  A066856 A066857 A066858 * A066860 A066861 A066862

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jan 23, 2002

STATUS

approved

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Last modified May 31 00:29 EDT 2020. Contains 334747 sequences. (Running on oeis4.)