71596domain: NAppears in sequencesAdmirable Harshad numbers n such that the subtracted divisor is equal to the digital sum of n.at n=33A111948a(n) = A006967(n)/2.at n=15A112362A q-Catalan triangle for q=2.at n=41A154829Positions of pandigital 10-digit numbers after the decimal point in the decimal expansion of Pi.at n=30A280183