Number of solutions to a^2+b^2+4*c^2=n.
1, 4, 4, 0, 6, 16, 8, 0, 12, 20, 8, 0, 8, 16, 16, 0, 6, 32, 12, 0, 24, 32, 8, 0, 24, 20, 24, 0
2 seqfan posts
Thu May 13 16:58:27 CEST 2010 [seqfan] Re: A175436_7: "more" or "less"
Thu May 13 16:58:27 CEST 2010 [seqfan] Re: A175436_7: "more" or "less"
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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