Least k such that k and digit reversal of k both have n divisors, or 0 if no such number exists.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =14641a(5) =44a(6) =0a(7) =24a(8) =484a(9) =272a(10) =0a(11) =294a(12) =0a(13) =291008a(14) =44944a(15) =264a(16) =0a(17) =252a(18) =0a(19) =2992a(20) =0a(21) =2532352a(22) =0a(23) =2508a(25) =2977792a(26) =1002001a(27) =2112a(28) =0a(29) =63536a(30) =0