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A083125 a(1) = 1, then the smallest number not occurring earlier such that the product of a pair of successive terms is a palindrome. 3

%I #15 Apr 12 2018 03:13:00

%S 1,2,3,11,4,22,28,9,19,17,16,29,8,34,88,7,23,18,14,31,154,13,38,231,

%T 12,21,25,209,42,6,37,15,35,143,49,77,26,33,47,303,57,333,64,66,32,

%U 132,48,44,53,404,58,364,111,5,101,55,91,99,46,437,92,236,107,422,56,121,45

%N a(1) = 1, then the smallest number not occurring earlier such that the product of a pair of successive terms is a palindrome.

%C Conjecture: except for multiples of 10, all natural numbers belong to this sequence. - _Reinhard Zumkeller_, May 02 2003

%H Jean-Marc Falcoz, <a href="/A083125/b083125.txt">Table of n, a(n) for n = 1..2000</a>

%Y Cf. A083126, A083664.

%K base,nonn

%O 1,2

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

%E More terms from _Reinhard Zumkeller_, May 02 2003

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Last modified August 30 22:34 EDT 2024. Contains 375550 sequences. (Running on oeis4.)