OFFSET
1,1
EXAMPLE
10920 = 107^2-23^2 = 109^2-31^2 = 113^2-43^2 = 131^2-79^2 =
151^2-109^2 = 197^2-167^2 = 223^2-197^2 = 283^2-263^2 = 397^2-383^2 =
461^2-449^2 = 2731^2-2729^2
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray Chandler, Feb 22 2004
STATUS
approved