OFFSET
1,1
FORMULA
Composite x solutions to sigma[x-6n]=sigma[x]-6n.
EXAMPLE
To terms of A054904, where sigma[x+6n]=sigma[x]+6n replacing x+6n=y,x=y-6n, we get sigma[y]-6n=sigma[y-6n].
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, May 26 2003
STATUS
approved