A196084 Positive integers a for which there is a primitive (-5/3)-Pythagorean triple (a,b,c) satisfying a<=b.

3, 5, 7, 8, 8, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 27, 29, 31, 32, 35, 35, 37, 39, 40, 43, 45, 45, 45, 45, 48, 49, 51, 56, 56, 61, 63, 63, 63, 64, 65, 67, 69, 72, 72, 72, 72, 73, 77, 79, 80, 80, 81, 85, 87, 91, 95, 96, 97, 99, 104, 105, 112, 115, 117, 117, 119

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..66.

Example

Primitive (-5/3)-Pythagorean triples a,b,c;
c^2=a^2+b^2+k*a*b, where k=-5/3:
3,5,3
5,27,23
7,9,5
8,9,5
8,21,15
9,32,25
11,120,111
13,24,15
15,16,9
17,279,265

Mathematica

(See A196008.)

Crossrefs

Cf. A195770, A196008, A196085, A196086.

Sequence in context: A101496 A218490 A161696 * A008508 A163301 A036593

Adjacent sequences: A196081 A196082 A196083 * A196085 A196086 A196087

Keyword

nonn

Author

Clark Kimberling, Sep 27 2011

Status

approved