Search: id:A072432
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%I A072432
%S A072432 88,808,828,848,868,888,908,928,948,968,988,1131,1151,1171,1191,1211,
%T A072432 1231,1251,1271,1291,1771,2211,2332,3652,4114,5874,8008,9988,12991,
%U A072432 15125,16885,17071,17271,17347,17471,17671,17871,18071,18271,18471
%N A072432 Numbers n for which there are exactly eight k such that n = k + reverse(k).
%C A072432 Subsequence of A067030. First term is A072041(8).
%H A072432 <a href="Sindx_Res.html#RAA">Index entries for sequences related to Reverse 
               and Add!</a>
%e A072432 88 = k + reverse(k) for k = 17, 26, 35, 44, 53, 62, 71, 80.
%o A072432 (ARIBAS) var n,k,c,i,rev: integer; st,nst: string; end; m := 8; for n 
               := 0 to 18800 do k := n div 2; c := 0; while k <= n and c < m + 1 
               do st := itoa(k); nst := ""; for i := 0 to length(st) - 1 do nst 
               := concat(st[i],nst); end; rev := atoi(nst); if n = k + rev then 
               inc(c); if k mod 10 <> 0 and k <> rev then inc(c); end; end; inc(k); 
               end; if c = m then write(n,","); end; end;
%Y A072432 Cf. A067030, A072041.
%Y A072432 Sequence in context: A052049 A046378 A137124 this_sequence A136951 A136933 
               A136958
%Y A072432 Adjacent sequences: A072429 A072430 A072431 this_sequence A072433 A072434 
               A072435
%K A072432 base,nonn
%O A072432 0,1
%A A072432 Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 17 2002

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