[seqfan] Re: An interesting sequence

Yifan Xie xieyifan4013 at 163.com
Wed Apr 19 15:16:09 CEST 2023


The interesting sequence I mentioned is A362110.


Best regards,
Yifan Xie (xieyifan4013 at 163.com)







At 2023-04-15 23:07:34, "Yifan Xie" <xieyifan4013 at 163.com> wrote:

Hi,
a(n) is the smallest positive integer x such that n can be expressed as the arithmetic mean of x distinct nonzero squares, or 0 if x does not exist. Based on my calculation of a(1) to a(76) by hand, only a(2), a(3), a(6), a(8), a(12) are 0 and no terms are larger than 5.
Please consider this sequence, and if possible, provide a program for me.

Best regards,
Yifan Xie (xieyifan4013 at 163.com)



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