18790481920domain: NAppears in sequencesa(n) = n*2^(n-6).at n=29A078836Row sums of triangle A133935.at n=31A131352a(n) = n*4^(n/2 - 1)*(9 + (-1)^n).at n=28A187274Smallest number of the form 11*m+1 with exactly n prime factors, counted with multiplicity.at n=31A230123