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A083819 a(1) = 1, then the smallest k > 1 such that nk + 1 is the digit reversal of k + 1, or 0 if no such number exists. 0

%I #7 Aug 23 2014 14:54:26

%S 1,36,27,15,18,11385,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N a(1) = 1, then the smallest k > 1 such that nk + 1 is the digit reversal of k + 1, or 0 if no such number exists.

%e a(2) = 36: 2*36 + 1 = 73, 37 = 36 + 1.

%e a(5) = 18: 18*5 + 1 = 91, 19 = 18 + 1.

%Y Cf. A083811, A083812, A083813, A083818.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 08 2003

%E Corrected and extended by _Ray Chandler_, Jun 23 2003

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Last modified March 28 11:46 EDT 2024. Contains 371241 sequences. (Running on oeis4.)