12320768domain: NAppears in sequencesCharacter of extremal vertex operator algebra of rank 16.at n=10A028537Inverse binomial transform of n^2*3^(n-1).at n=16A084857Numbers with 38 divisors.at n=13A175747a(n) is the smallest positive integral multiple of 2^n not in the range of the Euler phi function.at n=18A181662