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

Author

Ray Chandler, Aug 19 2004

Keywords

• nonn

Comments

First appearance of n in A097266.

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

Links

• Eric Weisstein's World of Mathematics, Pythagorean Quadruple.

Crossrefs

Cf. A096907-A096909, A097263-A097266.