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a(n) = smallest m such that numerator of Bernoulli(2m) is divisible by the first n irregular primes.
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%I #2 Mar 30 2012 17:31:00

%S 16,196,7504

%N a(n) = smallest m such that numerator of Bernoulli(2m) is divisible by the first n irregular primes.

%K bref,hard,nonn,more

%O 1,1

%A _Robert G. Wilson v_, Feb 27 2004