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A157949
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a(n) = 128*n - 1.
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2
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127, 255, 383, 511, 639, 767, 895, 1023, 1151, 1279, 1407, 1535, 1663, 1791, 1919, 2047, 2175, 2303, 2431, 2559, 2687, 2815, 2943, 3071, 3199, 3327, 3455, 3583, 3711, 3839, 3967, 4095, 4223, 4351, 4479, 4607, 4735, 4863, 4991, 5119, 5247, 5375, 5503
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OFFSET
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1,1
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COMMENTS
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The identity (128*n-1)^2 - (64*n^2-n)*(16)^2 = 1 can be written as a(n)^2 - A157948(n)*(16)^2 = 1. - Vincenzo Librandi, Jan 29 2012
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LINKS
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FORMULA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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