A196186 Positive integers a for which there is a primitive 9-Pythagorean triple (a,b,c) satisfying a<=b.

1, 3, 3, 3, 3, 5, 5, 5, 7, 8, 8, 8, 9, 9, 11, 13, 13, 15, 15, 15, 15, 15, 16, 16, 16, 17, 17, 19, 19, 21, 21, 23, 23, 24, 24, 24, 24, 25, 27, 29, 31, 32, 32, 33, 35, 37, 39, 39, 39, 39, 40, 40, 40, 41, 43, 45, 45, 45, 47, 48, 48, 51, 51, 51, 53, 55, 56

Offset: 1

Author

Clark Kimberling, Sep 29 2011

Keywords

• nonn

Comments

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

Examples

			Primitive 9-Pythagorean triples a,b,c;
c^2=a^2+b^2+9*a*b:
1,15,19
3,5,13
3,8,17
3,13,23
3,160,173
5,24,41
5,48,67
5,459,481
7,57,83
8,15,37
		

Crossrefs

Cf. A195770, A196183, A196187, A196188.

Programs

Mathematica

(See A196183.)