22222722222domain: NAppears in sequencesSmallest palindromic multiple of (n with trailing 0's omitted, A004151) using only nonzero digits of n; all digits must appear; or 0 if no such number exists.at n=26A083960a(n) = 2*(10^(2n+1)-1)/9 + 5*10^n.at n=5A332127