638653domain: NAppears in sequencesAbsoluteValue(Numerator(Bernoulli(2n))) mod denominator(Bernoulli(2n)).at n=18A180315AbsoluteValue(Numerator(Bernoulli(4n))) - Numerator(Bernoulli(4n)) mod denominator(Bernoulli(4n)) divided by two.at n=9A180320