A195997 Positive integers a for which there is a primitive (-2/3)-Pythagorean triple (a,b,c) satisfying a<=b.

2, 5, 7, 8, 9, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 42, 43, 45, 45, 45, 46, 48, 51, 52, 54, 54, 57, 58, 63, 63, 65, 69, 70, 72, 76, 77, 78, 80, 81, 82, 85, 90, 90, 94, 95, 99, 99, 100, 110, 114

Offset: 1

Author

Clark Kimberling, Sep 26 2011

Keywords

• nonn

Comments

See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.

Examples

			Primitive (-2/3)-Pythagorean triples
2,3,3
5,18,17
7,18,17
8,45,43
9,10,11
9,20,19
11,84,81
12,35,33
13,60,57
14,135,131
		

Crossrefs

Cf. A195770, A195994, A195998, A195999.

Programs

Mathematica

(See A195994.)