[seqfan] Re: definition of A074074
Joerg Arndt
arndt at jjj.de
Sat Sep 19 12:30:01 CEST 2009
Cannot figure either, suggest writing to
author of seqs for clarification.
http://www.research.att.com/~njas/sequences/index.html?q=A074074&language=english&go=Search
* Max Alekseyev <maxale at gmail.com> [Sep 19. 2009 16:22]:
> SeqFans,
>
> I have trouble understanding the definition of A074074:
>
> %N A074074 Numbers n such that x^2 - n*y^2 = 1, with n = N^2 - M^2, {N
> = 2k+1, M = 2m; k>=m}, has least fundamental solution (x, y).
>
> Does this definition make sense to anybody?
>
> Regards,
> Max
>
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