cp's OEIS Frontend

A067285 a(n) = smallest integer k such that k is not of the form m + reverse(m) for any m (cf. A067031) and A067030(n) occurs in the 'Reverse and Add' trajectory of k.

%I A067285 #5 Mar 30 2012 17:27:34
%S A067285 0,1,1,3,1,5,5,3,7,1,9,5,3,5,7,3,1,5,9,100,7,7,3,120,49,1,130,69,5,
%T A067285 140,89,9,150,100,160,111,170,7,180,131,190,120,151,102,130,112,171,
%U A067285 122,140,3,191,142,152,100,162,113,172,111,182,133,192,7,153,104,131,114
%N A067285 a(n) = smallest integer k such that k is not of the form m + reverse(m) for any m (cf. A067031) and A067030(n) occurs in the 'Reverse and Add' trajectory of k.
%C A067285 a(n) <= A067033(n).
%H A067285 <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a>
%e A067285 a(14) = 7, since A067030(14) = 55 and the five integers 7, 23, 32, 41, 50 are not of the form m + reverse(m) for any m, 55 occurs in the trajectory of each of them and 7 is the smallest one. a(25) = 1, since A067030(25) = 154 and the eleven integers 1, 25, 34, 43, 52, 59, 61, 68, 70, 86, 95 are not of the form m + reverse(m) for any m, 154 occurs in the trajectory of each of them and 1 is the smallest one.
%Y A067285 Cf. A067030, A067031, A067033, A067284, A067286.
%K A067285 base,nonn
%O A067285 0,4
%A A067285 _Klaus Brockhaus_, Feb 04 2002