7 Dec
2009
7 Dec
'09
11:45 p.m.
From: daniel.is.fischer@web.de [mailto:daniel.is.fischer@web.de]
Not related to Haskell, but do you think semi-Zumkeller numbers are semi-perfect numbers?
The site you linked to says so. I've not investigated.
Peter Luschny posted the link in a discussion in a German newsgroup: http://tinyurl.com/y9kfdpf Currently it is a conjecture and needs a proof before posting it to Sloane's integer sequences archive. -- Frank Buss, fb@frank-buss.de http://www.frank-buss.de, http://www.it4-systems.de