A196255 Positive integers a for which there is a primitive (3/4)-Pythagorean triple (a,b,c) satisfying a<=b.

2, 5, 7, 9, 12, 12, 13, 15, 17, 18, 20, 21, 23, 26, 27, 28, 28, 31, 32, 32, 33, 33, 36, 38, 39, 42, 42, 43, 44, 45, 47, 51, 52, 54, 57, 59, 60, 62, 64, 64, 65, 66, 67, 68, 70, 77, 78, 83, 84, 87, 91, 94, 96, 96, 96, 96, 100, 102, 105, 107, 111, 116, 117, 117, 123

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..65.

Example

Primitive (3/4)-Pythagorean triples a,b,c;
c^2=a^2+b^2+k*a*b, where k=3/4:
2,6,7
5,84,86
7,12,16
9,59,56
12,19,26
12,119,124
13,576,581
15,64,71
17,192,199
18,550,557

Mathematica

(See A196252.)

Crossrefs

Cf. A195770, A196252, A196256, A196257.

Sequence in context: A057437 A339922 A359071 * A024666 A184397 A024671

Adjacent sequences: A196252 A196253 A196254 * A196256 A196257 A196258

Keyword

nonn

Author

Clark Kimberling, Sep 30 2011

Status

approved