74698domain: NAppears in sequences24 'Reverse and Add' steps are needed to reach a palindrome.at n=52A065318Totally multiplicative sequence with a(p) = 7p-1 for prime p.at n=39A166656a(n) = n^3*(5*n+3)/2.at n=13A229146a(n) = F(2*n+3)*F(2*n+1)^3, where F = Fibonacci (A000045).at n=3A275931