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A066163
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Let p be a prime of the form 4k+1; sequence gives (q!^2 + 4)/p where q = (p-3)/2.
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1
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1, 1108, 1494212, 1337096139435608276, 3419285040690464059059891892, 360915376914019980818136688390244, 4539578056760982039383691063124612231245283018868, 1281586150064588021396889740995557733625358136974688524590164
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n = 1..30
Ed Pegg Jr., Math. Puzzles
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PROG
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(PARI) { n=0; for (m=1, 10^9, p=prime(m); if (frac((p - 1)/4) == 0, q = (p - 3)/2; write("b066163.txt", n++, " ", (q!^2 + 4)/p); if (n==30, return)) ) } \\ Harry J. Smith, Feb 03 2010
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CROSSREFS
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Sequence in context: A172678 A172774 A234156 * A336172 A252010 A036105
Adjacent sequences: A066160 A066161 A066162 * A066164 A066165 A066166
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane, Dec 13 2001
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STATUS
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approved
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