A097267 Least positive integer that is the diagonal of n primitive Pythagorean quadruples, or zero if no such integer exists.

1, 3, 9, 19, 21, 27, 39, 33, 59, 51, 75, 57, 63, 103, 81, 0, 93, 121, 111, 99, 133, 123, 181, 129, 141, 153, 159, 211, 147, 227, 183, 171, 217, 263, 271, 201, 189, 219, 0, 307, 237, 243, 261, 249, 301, 267, 367, 485, 231, 291, 303, 409, 309, 419, 327, 297

Offset

0,2

Comments

First appearance of n in A097266.

Conjecture: a(15)=a(38)=0.

Links

Table of n, a(n) for n=0..55.

Eric Weisstein's World of Mathematics, Pythagorean Quadruple.

Crossrefs

Cf. A096907-A096909, A097263-A097266.

Sequence in context: A272513 A270979 A253219 * A043097 A084670 A002091

Adjacent sequences: A097264 A097265 A097266 * A097268 A097269 A097270

Keyword

nonn

Author

Ray Chandler, Aug 19 2004

Status

approved