-4158domain: ZAppears in sequencesExpansion of log(1+x)*log(1+tan(x))/2.at n=7A024338Determinants of 2 X 2 matrices of non-overlapping blocks of 4 consecutive primes.at n=30A117027Associated Omega numbers of order 3, triangle T(n,k) read by rows for n >= 0 and 0 <= k <= n.at n=12A318255