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A179880 Numbers h such that h and h-1 have same antiharmonic mean of the numbers k < h such that gcd(k, h) = 1 and simultaneously this mean is not integer. 20
7, 66, 70, 78, 130, 186, 195, 211, 222, 238, 255, 310, 322, 331, 366, 399, 418, 438, 463, 474, 483, 498, 534, 547, 555, 571, 574, 582, 598, 615, 627, 663, 670, 682, 691, 714, 754 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A179876 and 179883.

For corresponding values of numbers h-1 see A179879. - Jaroslav Krizek, Jul 31 2010

LINKS

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

FORMULA

a(n) = A179879(n) + 1. - Jaroslav Krizek, Jul 31 2010

CROSSREFS

Cf. A179871, A179872, A179873, A179874, A179875, A179876, A179877, A179878, A179879, A179882, A179883, A179884, A179885, A179886, A179887, A179890, A179891.

Sequence in context: A109779 A239984 A274822 * A297310 A065097 A300991

Adjacent sequences:  A179877 A179878 A179879 * A179881 A179882 A179883

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Jul 30 2010, Jul 31 2010

STATUS

approved

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Last modified July 16 11:58 EDT 2020. Contains 335788 sequences. (Running on oeis4.)