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A066210
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((2*n)^(2*n+2)-1)/(4*n^2-1).
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1
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1, 5, 273, 47989, 17043521, 10101010101, 8978450801041, 11168991475945493, 18519084246547628289, 39468223580173616639125, 105120401002506265664160401, 342134767379466388778420319285, 1336055317331762879448123353666113
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,100
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PROG
| (PARI) { for (n=0, 100, write("b066210.txt", n, " ", ((2*n)^(2*n+2)-1)/(4*n^2-1)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Feb 06 2010]
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CROSSREFS
| Sequence in context: A180820 A140001 A153322 * A036213 A112901 A158115
Adjacent sequences: A066207 A066208 A066209 * A066211 A066212 A066213
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Dec 17 2001
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