OFFSET
1,1
EXAMPLE
For k = 26, a = 10, b = 15, c = 5, d = 20, e = 3, f = 22,
and 10*15 = 5*26 + 20, 5*20 = 3*26 + 22, 10 + 15 = 5 + 20 = 3 + 22.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Naohiro Nomoto, Oct 10 2021
STATUS
approved