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A082205 Palindromes pertaining to A082204. 2

%I #13 Aug 25 2015 16:08:10

%S 1,22,232,3223,22322,232232,3223223,22322322,232232232,3223223223,

%T 22322322322,232232232232,3223223223223,22322322322322,

%U 232232232232232,3223223223223223,22322322322322322,232232232232232232,3223223223223223223

%N Palindromes pertaining to A082204.

%C Perhaps no digits other than 1,2 and 3 occur. From the second term onwards the periodic pattern of two 2's followed by a 3 holds.

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 1001, 0, 0, -1000).

%e The first six palindromes are: 1, 22, 232, 3223,22322, 232232.

%t Join[{1},LinearRecurrence[{0, 0, 1001, 0, 0, -1000},{22, 232, 3223, 22322, 232232, 3223223},18]] (* _Ray Chandler_, Aug 25 2015 *)

%Y Cf. A082204, A082206.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_, Apr 10 2003

%E More terms from _Joshua Zucker_, May 08 2006

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)