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本帖最后由 yangchuanju 于 2021-11-26 14:22 编辑
A181786——Number of inequivalent不等价的 solutions方案数 to n^2 = a^2 + b^2 + c^2 with positive正数 a, b, c.
A181787——Number of solutions方案数 to n^2 = a^2 + b^2 + c^2 with positive正数 a, b, c.
A181788——Number of solutions方案数 to n^2 = a^2 + b^2 + c^2 with nonnegative非负数 a, b, c.
A016725——Number of integer整数 solutions to x^2+y^2+z^2 = n^2, allowing zeros and distinguishing signs and order.
A016727——Number of inequivalent不等价的 solutions方案数 to x^2+y^2+z^2 = n^2.
A000164——Number of partitions拆分 of n into 3 squares (allowing part zero).
A005818——Numbers n that are primitive互素的 solutions方案数to n^2 = a^2 + b^2 + c^2 (a,b,c > 0).
A005767——Solutions n to n^2 = a^2 + b^2 + c^2 (a,b,c > 0).
A000378——Sums of three squares: numbers of the form x^2 + y^2 + z^2.
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