Smallest palindromic numbers of length 4 in two bases differing by n.

Terms

a(0) =624a(1) =910a(2) =19040a(3) =17520a(4) =7056a(5) =16842a(6) =13320a(7) =42876a(8) =30480a(9) =27650a(10) =14376a(11) =18226a(12) =22708a(13) =27870a(14) =33760a(15) =50524a(16) =71856a(17) =70338a(18) =55981a(19) =113694a(20) =107888a(21) =75810a(22) =139920a(23) =223000a(24) =140608a(25) =157464a(26) =175616a(27) =195112a(28) =125000a(29) =238328