The numbers D in the set {D :=(2n+1)^2-4m^2, 1<=m<=n} that generate the smallest solution x to x^2 - D*y^2 = 1.
5, 21, 33, 17, 105, 105, 189, 33, 105, 405, 333, 141, 473, 57, 817, 189, 325, 885, 77
4 seqfan posts
Sun Sep 20 00:55:28 CEST 2009 [seqfan] Re: definition of A074074
Sat Sep 19 21:58:38 CEST 2009 [seqfan] Re: definition of A074074
Sat Sep 19 12:30:01 CEST 2009 [seqfan] Re: definition of A074074
Sat Sep 19 04:32:26 CEST 2009 [seqfan] definition of A074074
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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