OFFSET
1,1
EXAMPLE
16=3+13=5+11 hence 16 occurs twice.
24=5+19=7+13=11+13 hence 24 occurs 3 times.
50=p+q with {p,q}={{3,47},{7,43},{13,37},{19,31}}, 4 representations.
48=p+q with {p,q}={{5,43},{7,41},{11,37},{17,31},{19,29}}, 5 representations.
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Mar 07 2015
STATUS
approved