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A082781 a(1) = 6, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1). 5

%I #8 Dec 05 2013 19:56:13

%S 6,66,6006,606606,6006006006,60066066066006,60006060066006060006,

%T 6000006006006006006006000006,60000060066060066066066006066006000006

%N a(1) = 6, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).

%Y Cf. A082776, A082777, A082778, A082779, A082780, A082782, A082783.

%K base,more,nonn

%O 1,1

%A _Amarnath Murthy_, Apr 19 2003

%E Corrected by _Ray Chandler_, Oct 13 2003

%E a(8)-a(9) from _Sean A. Irvine_, Apr 19 2010

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Last modified July 15 22:54 EDT 2024. Contains 374334 sequences. (Running on oeis4.)