A196036 Positive integers a for which there is a primitive (-4/3)-Pythagorean triple (a,b,c) satisfying a<=b.

3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 21, 23, 24, 27, 27, 28, 28, 29, 31, 32, 33, 35, 36, 36, 36, 37, 39, 40, 40, 43, 44, 44, 45, 45, 48, 49, 51, 52, 56, 60, 60, 61, 63, 63, 67, 68, 68, 69, 72, 72, 72, 72, 76, 77, 81, 84, 84, 87, 88

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..60.

Example

Primitive (-4/3)-Pythagorean triples a,b,c;
c^2=a^2+b^2+k*a*b, where k=-4/3:
3,4,3
4,9,7
5,24,21
7,12,9
8,9,7
9,28,23
11,108,101
13,36,29
16,117,107
17,252,241

Mathematica

(See A196033.)

Crossrefs

Cf. A195770, A196033, A196037, A196038.

Sequence in context: A139711 A354994 A214585 * A341416 A081376 A055074

Adjacent sequences: A196033 A196034 A196035 * A196037 A196038 A196039

Keyword

nonn

Author

Clark Kimberling, Sep 27 2011

Status

approved