OFFSET
1,1
COMMENTS
{11, 60, 61}, {61, 1860, 1861}, {1861, 1731660, 1731661}... are sides {a<b<c} of the right triangles, with hypotenuse c = b+1.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Oct 21 2002
EXTENSIONS
a(12) from Lars Blomberg, Oct 08 2008
STATUS
approved