Smallest multiple k*n of n which has even digits and is a palindrome or becomes a palindrome when 0's are added on the left (e.g., 10 becomes 010, which is a palindrome).

A062293

Smallest multiple k*n of n which has even digits and is a palindrome or becomes a palindrome when 0's are added on the left (e.g., 10 becomes 010, which is a palindrome).

Terms

    a(0) =0a(1) =2a(2) =2a(3) =6a(4) =4a(5) =20a(6) =6a(7) =686a(8) =8a(9) =666a(10) =20a(11) =22a(12) =60a(13) =2002a(14) =686a(15) =60a(16) =80a(17) =646a(18) =666a(19) =646a(20) =20a(21) =6006a(22) =22a(23) =828a(24) =600a(25) =200a(26) =2002a(27) =8886888a(28) =868a(29) =464

External references