327888domain: NAppears in sequencesn = k^2 - (reversal of k)^2 for two different values of k.at n=26A087672Integers with exactly 100 divisors.at n=29A163816Number of n-length words on {0,1,2,3,4,5,6} in which 0 appears only in runs of length 2.at n=7A255119