Number of integers <= 2^n of form x^2 - 2y^2.
1, 2, 3, 5, 8, 15, 26, 48, 87, 161, 299, 563, 1066, 2030, 3885, 7464, 14384, 27779
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
12 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Fri Jan 30 15:12:53 CET 2009 [seqfan] R: Seqfan Digest, Vol 4, Issue 19
Sat Jan 24 09:11:05 CET 2009 [seqfan] Re: How to generate A000047?
Sat Jan 24 00:06:26 CET 2009 [seqfan] Re: How to generate A000047?
Tue Jan 20 16:01:18 CET 2009 [seqfan] Re: How to generate A000047?
Tue Jan 20 00:15:53 CET 2009 [seqfan] Re: How to generate A000047?
Mon Jan 19 20:39:16 CET 2009 [seqfan] Re: How to generate A000047?
Mon Jan 19 19:43:40 CET 2009 [seqfan] Re: How to generate A000047?
Mon Jan 19 19:43:40 CET 2009 [seqfan] Re: How to generate A000047?
Mon Jan 19 19:34:46 CET 2009 [seqfan] Re: How to generate A000047?
Mon Jan 19 19:34:46 CET 2009 [seqfan] Re: How to generate A000047?
Mon Jan 19 18:40:38 CET 2009 [seqfan] How to generate A000047?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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