Wolstenholme quotient W_p = (binomial(2p-1,p) - 1)/p^3 for prime p=A000040(n).
1, 5, 265, 2367, 237493, 2576561, 338350897, 616410400171, 7811559753873
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Sat Jan 21 20:46:34 CET 2012 [seqfan] sequences related to Wolstenholme's theorem