115005domain: NAppears in sequencesDenominators of cosecant numbers: -2*(2^(2*n-1)-1)*Bernoulli(2*n).at n=40A001897Fibonacci sequence beginning 0, 17.at n=20A022351a(n) = least m such that m and m+n are both products of exactly n distinct primes.at n=5A097978Numerator in abs(binomial(-1/8,n)).at n=6A181161