Search: id:A048268
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%I A048268
%S A048268 6643,10,46,67,92,121,154,191,232,277,326,379,436,497,562,631,704,781,
%T A048268 862,947,1036,1129,1226,1327,1432,1541,1654,1771,1892,2017,2146,2279,
%U A048268 2416,2557,2702,2851,3004,3161,3322,3487,3656,3829,4006,4187,4372,4561
%N A048268 Smallest palindrome greater than n in bases n and n+1.
%F A048268 a(n) = 2n^2+3n+2 for n >= 4 (which is (232) in base n and (1n1) in base 
               n+1)
%e A048268 a(14)= 2*14^2+3*14+2=436, which is (232) in base 14 and (1E1) in base 
               15
%t A048268 Do[ k = n + 2; While[ RealDigits[ k, n + 1 ][ [ 1 ] ] != Reverse[ RealDigits[ 
               k, n + 1 ][ [ 1 ] ] ] || RealDigits[ k, n ][ [ 1 ] ] != Reverse[ 
               RealDigits[ k, n ][ [ 1 ] ] ], k++ ]; Print[ k ], {n, 2, 75} ]
%t A048268 palQ[n_Integer, base_Integer] := Block[{idn = IntegerDigits[n, base]}, 
               idn == Reverse[idn]]; f[n_] := Block[{k = n + 2}, While[ !palQ[k, 
               n] || !palQ[k, n + 1], k++ ]; k]; Table[ f[n], {n, 2, 48}] (from 
               Robert G. Wilson v Sep 29 2004)
%Y A048268 Cf. A048269, A060792, A097928, A097929, A097930, A097931, A099145, A099146, 
               A029965, A029966, A099147, A099153.
%Y A048268 Sequence in context: A031759 A145050 A164971 this_sequence A043634 A060792 
               A119519
%Y A048268 Adjacent sequences: A048265 A048266 A048267 this_sequence A048269 A048270 
               A048271
%K A048268 nonn,easy
%O A048268 2,1
%A A048268 Ulrich Schimke (ulrschimke(AT)aol.com)
%E A048268 More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 14 2000

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