77319domain: NAppears in sequencesOdd numbers divisible by the palindromic sum of their prime factors (counted with multiplicity).at n=19A046359a(n) = 9*(n-2)^2*(n^2-2*n-1)/2.at n=11A064199Numbers k for which the quotient q(k)=(k+rev(k))/abs(k-rev(k)) is an integer.at n=29A087993a(n) = n^2*(2*n + 5).at n=33A163683