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A331671 Number of Pythagorean triangles with sum of legs n. 4
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified February 27 05:37 EST 2021. Contains 341649 sequences. (Running on oeis4.)