9841500domain: NAppears in sequencesTriangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*10^j.at n=23A038300Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*9^j.at n=25A038311Numbers which have identical primes in n and d(n) but are not refactorable.at n=15A235525