# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a174535 Showing 1-1 of 1 %I A174535 #9 Sep 25 2019 10:30:13 %S A174535 945,1575,2205,2835,3465,4095,4725,5355,5775,5985,6615,6825,7245,7875, %T A174535 8085,8505,9135,9555,9765,10395,11025,11655,12285,12705,12915,13545, %U A174535 14175,14805,15015,15435,16065,16695,17325,17955,18585,19215,19635 %N A174535 Odd almost practical numbers. %C A174535 This is Stewart's set O*. Note that 15 divides all such numbers. This sequence appears to be a subsequence of the odd abundant numbers, A005231. See A174533 for additional comments. %H A174535 Amiram Eldar, Table of n, a(n) for n = 1..1000 %H A174535 B. M. Stewart, Sums of distinct divisors, American Journal of Mathematics, Vol. 76, No. 4 (1954), pp. 779-785. %Y A174535 Cf. A174533, A174534. %K A174535 nonn %O A174535 1,1 %A A174535 _T. D. Noe_, Mar 21 2010 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE