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A066162 Let p be a prime of the form 4a-1; sequence gives (q!^2-1)/p where q = (p-1)/2. 0
5, 1309, 6930626021, 69276127053913, 55161685571748368516129, 60704287720766467657420739188688372093, 14219718499310404733294067750922248714893617, 1325029748371862191613733461029305453409268582295864406779661 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

Ed Pegg, Jr., Math. Puzzles

CROSSREFS

Sequence in context: A069642 A182345 A268485 * A096725 A172920 A062598

Adjacent sequences:  A066159 A066160 A066161 * A066163 A066164 A066165

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 13 2001

STATUS

approved

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Last modified November 15 19:18 EST 2019. Contains 329149 sequences. (Running on oeis4.)