A195921 Positive integers c for which there is a primitive (-3/2)-Pythagorean triple (a,b,c) satisfying a<=b.

2, 3, 5, 7, 9, 10, 11, 13, 15, 15, 15, 16, 17, 18, 19, 22, 23, 25, 26, 27, 29, 30, 32, 32, 33, 34, 35, 37, 38, 39, 41, 42, 45, 46, 48, 48, 48, 48, 51, 53, 54, 55, 57, 57, 61, 62, 63, 64, 64, 65, 66, 69, 69, 73, 75, 78, 78, 80, 80, 80, 86, 87, 90, 90, 93, 94, 95, 96

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..68.

Example

Primitive (-3/2)-Pythagorean triples
(c^2=a^2+b^2+k*a*b, where k=-3/2):
2,3,2
3,10,8
5,6,4
7,48,43
9,16,11
10,51,44
11,114,106
13,30,22
15,16,11
15,32,23

Mathematica

(See A195918.)

Crossrefs

Cf. A195770, A195918, A195922, A195923.

Sequence in context: A063464 A341518 A325600 * A175089 A047489 A375488

Adjacent sequences: A195918 A195919 A195920 * A195922 A195923 A195924

Keyword

nonn

Author

Clark Kimberling, Sep 26 2011

Status

approved