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A029963 Palindromic in bases 6 and 10. 39

%I

%S 0,1,2,3,4,5,7,55,111,141,191,343,434,777,868,1441,7667,7777,22022,

%T 39893,74647,168861,808808,909909,1867681,3097903,4232324,4265624,

%U 4298924,4516154,4565654,4598954,4849484,5100015,5182815,5400045

%N Palindromic in bases 6 and 10.

%H Robert G. Wilson v, <a href="/A029963/b029963.txt">Table of n, a(n) for n = 1..102</a>

%H P. De Geest, <a href="http://www.worldofnumbers.com/nobase10.htm">Palindromic numbers beyond base 10</a>

%t palQ[n_Integer, base_Integer] := Block[{idn = IntegerDigits[n, base]}, idn == Reverse[idn]]; Select[ Range[10^7], palQ[ #, 6] && palQ[ #, 10] &] (* _Robert G. Wilson v_ Sep 30 2004 *)

%t Select[Range[0, 10^5],

%t PalindromeQ[#] && # == IntegerReverse[#, 6] &] (* _Robert Price_, Nov 09 2019 *)

%Y Cf. A007632, A007633, A029804, A029961, A029962, A029964, A029965, A029966, A029967, A029968, A029969, A029970.

%K nonn,base,changed

%O 1,3

%A _Patrick De Geest_

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Last modified November 12 17:06 EST 2019. Contains 329058 sequences. (Running on oeis4.)