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A239786
Number of Pythagorean triangles (x, y, z) with legs x < y < 10^n.
2
2, 62, 1032, 14471, 185860, 2269783, 26809918, 309224749, 3503495999, 39147452720, 432599522187
OFFSET
1,1
COMMENTS
A Pythagorean triangle is a right triangle with integer side length x, y, z forming a Pythagorean triple (x, y, z).
Because (x, y, z) is equivalent to (y, x, z), the total number of Pythagorean triangles with legs x, y < 10^n is b(n) = 2*a(n) = 4, 124, 2064, 28942, ...
LINKS
Eric Weisstein's World of Mathematics, Pythagorean Triangle.
Eric Weisstein's World of Mathematics, Pythagorean Triple.
KEYWORD
nonn,more
AUTHOR
Martin Renner, Mar 26 2014
EXTENSIONS
a(5)-a(11) from Giovanni Resta, Mar 27 2014
STATUS
approved