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Smallest n-digit palindromic multiple of n. For n = 10k it is sufficient that the multiple is palindromic with leading zeros ignored. 0 if no such number exists.
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%I #6 Aug 23 2014 13:11:15

%S 1,22,111,2112,50005,201102,1002001,21100112,100070001,1000000010,

%T 10000200001,400002200004,1000029200001,20000055000002,

%U 500000020000005,2110000000000112,10000000200000001,200000007700000002

%N Smallest n-digit palindromic multiple of n. For n = 10k it is sufficient that the multiple is palindromic with leading zeros ignored. 0 if no such number exists.

%C Conjecture: no entry is zero.

%Y Cf. A084014, A084015, A084016.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 23 2003

%E Corrected and extended by _Ray Chandler_, Jun 08 2003