A070125 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an acute isosceles integer triangle with relatively prime side lengths.

1, 2, 4, 6, 7, 11, 12, 15, 16, 19, 22, 23, 27, 28, 35, 39, 40, 43, 46, 47, 51, 55, 58, 63, 64, 65, 72, 73, 81, 88, 94, 95, 98, 103, 107, 108, 109, 121, 124, 135, 136, 140, 150, 151, 159, 166, 167, 170, 178, 185, 186, 189, 194, 201, 205

Offset

1,2

Links

Table of n, a(n) for n=1..55.

R. Zumkeller, Integer-sided triangles

Example

a(14)=22: [A070080(22), A070081(22), A070082(22)]=[3<5=5], A070084(22)=gcd(3,5,5)=1, A070085(22)=3^2+5^2-5^2=9>0.

Crossrefs

Cf. A070099, A070115, A070110, A070118.

Sequence in context: A189287 A189128 A070119 * A328068 A263084 A029501

Adjacent sequences: A070122 A070123 A070124 * A070126 A070127 A070128

Keyword

nonn

Author

Reinhard Zumkeller, May 05 2002

Status

approved