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A196043 Positive integers a for which there is a primitive (4/3)-Pythagorean triple (a,b,c) satisfying a<=b. 3
7, 8, 9, 11, 13, 15, 17, 19, 20, 20, 23, 25, 27, 28, 29, 31, 32, 33, 36, 39, 41, 44, 44, 45, 47, 48, 51, 52, 53, 57, 59, 63, 63, 64, 68, 71, 72, 72, 76, 81, 84, 88, 92, 93, 96, 99, 99, 104, 108, 108, 111, 117, 117, 124, 129, 132, 133, 144, 144, 148, 152, 153 (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..62.

EXAMPLE

Primitive (4/3)-Pythagorean triples a,b,c;

c^2=a^2+b^2+k*a*b, where k=4/3:

7,36,41

8,21,27

9,16,23

11,12,21

13,132,141

15,52,63

17,36,49

19,288,301

20,27,43

20,153,167

MATHEMATICA

(See A196040.)

CROSSREFS

Cf. A195770, A196040, A196044, A196045.

Sequence in context: A340741 A097338 A196040 * A030569 A138580 A192050

Adjacent sequences:  A196040 A196041 A196042 * A196044 A196045 A196046

KEYWORD

nonn

AUTHOR

Clark Kimberling, Sep 27 2011

STATUS

approved

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Last modified January 25 23:56 EST 2022. Contains 350572 sequences. (Running on oeis4.)