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A196108 Positive integers a for which there is a primitive (7/4)-Pythagorean triple (a,b,c) satisfying a<=b. 4
9, 10, 11, 12, 13, 14, 17, 19, 21, 25, 26, 28, 29, 31, 34, 35, 37, 42, 43, 44, 44, 46, 47, 52, 53, 60, 61, 62, 64, 66, 68, 69, 71, 75, 76, 79, 82, 86, 92, 96, 98, 100, 103, 105, 108, 118, 119, 123, 124, 127, 128, 128, 134, 147, 148, 160, 160, 161, 164, 166 (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..60.

EXAMPLE

Primitive (7/4)-Pythagorean triples;

c^2=a^2+b^2+k*a*b, where k=7/4:

9,68,76

10,38,47

11,28,38

12,23,34

13,20,32

14,18,31

17,256,271

19,96,113

21,64,83

MATHEMATICA

(See A196105.)

CROSSREFS

Cf. A195770, A196105, A196109, A196110.

Sequence in context: A162789 A121816 A196105 * A181699 A281196 A001731

Adjacent sequences:  A196105 A196106 A196107 * A196109 A196110 A196111

KEYWORD

nonn

AUTHOR

Clark Kimberling, Sep 28 2011

STATUS

approved

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Last modified January 26 19:45 EST 2021. Contains 340442 sequences. (Running on oeis4.)