367776domain: NAppears in sequencesa(n) = 9*8*7*6*5*4*3*2*1 + 18*17*16*15*14*13*12*11*10 + ... + (up to the n-th term).at n=11A319873Least multiple of n that contains only the distinct digits of n and n+1, with each of those digits appearing at least once.at n=35A328326