A195868 Positive integers a for which there is a primitive 1-Pythagorean triple (a,b,c) satisfying a<=b.

3, 5, 7, 7, 9, 11, 11, 13, 13, 15, 16, 17, 17, 19, 19, 21, 23, 23, 24, 25, 25, 27, 29, 29, 31, 31, 32, 32, 33, 35, 37, 40, 40, 40, 41, 43, 47, 48, 49, 53, 55, 55, 56

Offset: 1

Author

Clark Kimberling, Sep 25 2011

Keywords

• nonn

Comments

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

Examples

			Primitive 1-Pythagorean triples
(c^2=a^2+b^2+k*a*b, where k=1):
3,5,7
5,16,19
7,8,13
7,33,37
9,56,61
11,24,31
11,85,91
13,35,43
13,120,127
		

Crossrefs

Cf. A195770, A195778.

Programs

Mathematica

(See A195770.)