A195882 - OEIS

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A195882

Positive integers a for which there is a primitive (1/2)-Pythagorean triple (a,b,c) satisfying a<=b.

2, 3, 5, 7, 7, 10, 11, 11, 13, 13, 14, 15, 16, 17, 17, 18, 18, 19, 19, 21, 22, 23, 25, 26, 26, 27, 29, 29, 31, 32, 32, 32, 33, 34, 37, 38, 38, 39, 41, 42, 43, 46, 46, 48, 48, 48, 49, 53, 57, 58, 61, 62, 63, 64, 64, 66, 69, 73, 77, 78, 80, 80, 80, 86, 91, 93, 94, 95

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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 (1/2)-Pythagorean triples

(c^2=a^2+b^2+k*a*b, where k=1/2):

2,3,4

3,16,17