A179879 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A179879

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.

18

6, 65, 69, 77, 129, 185, 194, 210, 221, 237, 254, 309, 321, 330, 365, 398, 417, 437, 462, 473, 482, 497, 533, 546, 554, 570, 573, 581, 597, 614, 626, 662, 669, 681, 690, 713, 753

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Subsequence of A179875 and A179883.

For corresponding values of numbers h+1 see A179880. - Jaroslav Krizek, Jul 31 2010

LINKS

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

FORMULA

a(n) = A179880(n) - 1. - Jaroslav Krizek, Jul 31 2010

CROSSREFS

Cf. A179871, A179872, A179873, A179874, A179875, A179876, A179877, A179878, A179880, A179882, A179883, A179884, A179885, A179886, A179887, A179890, A179891.

Sequence in context: A087488 A249896 A249828 * A350946 A297516 A099343

Adjacent sequences: A179876 A179877 A179878 * A179880 A179881 A179882

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Jul 30 2010

STATUS

approved