|
| |
|
|
A097264
|
|
Primitive Pythagorean Quadruples a^2+b^2+c^2=d^2, 0<a<=b<=c<=d, gcd(a,b,c,d)=1, sorted by d, then c, then b; sequence gives short even leg values.
|
|
1
|
|
|
|
2, 2, 4, 4, 6, 2, 4, 2, 2, 8, 12, 6, 6, 6, 8, 4, 4, 4, 6, 14, 6, 12, 12, 14, 10, 2, 2, 2, 12, 12, 16, 14, 6, 6, 6, 20, 8, 16, 4, 8, 4, 8, 18, 6, 18, 6, 8, 12, 24, 8, 22, 14, 2, 14, 2, 10, 24, 12, 24, 4, 4, 18, 30, 18, 2, 6, 2, 20, 4, 16, 16, 8, 8, 18, 18, 6, 18, 2, 6, 24, 12, 32, 4, 24, 12
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
One of a,b,c is odd, other two are even for primitive Pythagorean quadruples.
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
