A196249 Positive integers a for which there is a primitive (-3/4)-Pythagorean triple (a,b,c) satisfying a<=b.

3, 3, 4, 6, 7, 9, 10, 11, 12, 14, 17, 20, 21, 22, 23, 25, 26, 28, 29, 30, 31, 32, 32, 32, 34, 35, 36, 37, 38, 39, 41, 42, 49, 52, 53, 55, 57, 58, 60, 61, 63, 64, 64, 68, 69, 70, 74, 76, 76, 82, 84, 84, 84, 87, 91, 91, 92, 92, 93, 95, 96, 96, 96, 96, 96, 98, 99, 101

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 (-3/4)-Pythagorean triples a,b,c;
c^2=a^2+b^2+k*a*b, where k=-3/4:
3,4,4
3,32,31
4,15,14
6,14,13
7,36,34
9,28,26
10,18,17
11,420,416
14,342,337

Mathematica

(See A196245.)

Crossrefs

Cf. A195770, A196245, A196249, A196250.

Sequence in context: A138095 A023837 A240115 * A241036 A241050 A363237

Adjacent sequences: A196246 A196247 A196248 * A196250 A196251 A196252

Keyword

nonn

Author

Clark Kimberling, Sep 30 2011

Status

approved