A070133 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse isosceles integer triangle.

5, 14, 26, 32, 52, 61, 82, 91, 104, 118, 133, 146, 163, 182, 202, 219, 242, 246, 266, 291, 314, 342, 347, 372, 404, 432, 437, 467, 472, 504, 542, 547, 577, 582, 619, 625, 663, 709, 714, 751, 757, 801, 807, 853, 858, 907, 913

Offset

1,1

Links

Table of n, a(n) for n=1..47.

R. Zumkeller, Integer-sided triangles

Example

a(5)=52: [A070080(52), A070081(52), A070082(52)]=[5=5<8], A070085(52)=5^2+5^2-8^2=25+25-64=-14<0.

Crossrefs

Cf. A070106, A070134, A070135, A070115, A070127.

Sequence in context: A070722 A018829 A332623 * A246517 A306886 A202821

Adjacent sequences: A070130 A070131 A070132 * A070134 A070135 A070136

Keyword

nonn

Author

Reinhard Zumkeller, May 05 2002

Status

approved