OFFSET
1,3
COMMENTS
Benkoski and Erdős proved that the asymptotic density of weird numbers is positive, thus lim_{n->oo} a(n)/10^n = c > 0. Is c = 0.0017...?
LINKS
S. J. Benkoski and P. Erdős, On weird and pseudoperfect numbers, Math. Comp., 28 (1974), pp. 617-623. Alternate link; 1975 corrigendum.
EXAMPLE
The only weird number below 100 is 70 which is larger than 10, thus a(1) = 0 and a(2) = 1.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Amiram Eldar, Mar 17 2019
EXTENSIONS
a(11) from Amiram Eldar, May 26 2023
STATUS
approved