OFFSET
1,2
COMMENTS
LINKS
T. D. Noe, Table of n, a(n) for n = 1..74 (complete) [I assume this is only conjectured to be complete. - N. J. A. Sloane, Jan 02 2019]
CROSSREFS
Cf. A002093 (highly abundant numbers), A002182 (highly composite numbers) and A004394 (superabundant numbers), consisting of numbers that establish records for sigma_k(j) where k equals 1, 0 and -1 respectively. See also A095848.
Cf. also A166981 (numbers that establish records for both k=0 and k=-1).
KEYWORD
nonn
AUTHOR
Matthew Vandermast, Jun 09 2004
EXTENSIONS
Extended by T. D. Noe, Apr 22 2010
Corrected by T. D. Noe and Matthew Vandermast, Oct 04 2010
Removed keyword "fini", since it appears that as yet there is no proof. - N. J. A. Sloane, Sep 17 2022
STATUS
approved