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A196249 Positive integers a for which there is a primitive (-3/4)-Pythagorean triple (a,b,c) satisfying a<=b. 6
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 (list; graph; refs; listen; history; text; internal format)
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: A137901 A138095 A023837 * A080013 A152949 A058660

Adjacent sequences:  A196246 A196247 A196248 * A196250 A196251 A196252

KEYWORD

nonn

AUTHOR

Clark Kimberling, Sep 30 2011

STATUS

approved

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Last modified May 22 14:53 EDT 2013. Contains 225552 sequences.