A050813 Numbers n not palindromic in any base b, 2 <= b <= 10.

19, 39, 47, 53, 58, 69, 75, 76, 79, 84, 87, 90, 94, 95, 96, 102, 103, 106, 108, 110, 115, 116, 120, 122, 132, 133, 134, 137, 139, 140, 143, 144, 147, 149, 152, 155, 158, 159, 163, 167, 168, 169, 174, 175, 176, 177, 179, 180, 183, 184, 187, 188, 193, 196, 198

Offset

1,1

Links

T. D. Noe, Table of n, a(n) for n = 1..10000

P. De Geest, Palindromic numbers beyond base 10

Formula

A050812(n) = 0.

Mathematica

n = -1; t = {}; While[Length[t] < 100, n++; If[Count[Table[s = IntegerDigits[n, m]; s == Reverse[s], {m, 2, 10}], True] == 0, AppendTo[t, n]]]; t (* T. D. Noe, Jul 18 2012 *)

Crossrefs

Cf. A050812, A047811, A016038.

Cf. A214423, A214424, A214425, A214426 (palindromic in 1-4 bases).

Sequence in context: A033900 A110288 A318260 * A041712 A041710 A042629

Adjacent sequences: A050810 A050811 A050812 * A050814 A050815 A050816

Keyword

nonn,base

Author

Patrick De Geest, Oct 15 1999

Status

approved