A331671 Number of Pythagorean triangles with sum of legs n.

0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 2, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 2, 0, 0, 0, 1

Offset

1,49

Links

Ray Chandler, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A118905, A198390, A254064.

Sequence in context: A045827 A070103 A113048 * A123758 A231642 A288318

Adjacent sequences: A331668 A331669 A331670 * A331672 A331673 A331674

Keyword

nonn

Author

Ray Chandler, Feb 26 2020

Status

approved