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a(n) = n XOR 10n, where XOR is bitwise XOR.
6

%I #5 Aug 02 2015 12:54:21

%S 0,11,22,29,44,55,58,65,88,83,110,101,116,143,130,153,176,187,166,173,

%T 220,199,202,241,232,227,286,277,260,319,306,297,352,363,374,381,332,

%U 343,346,417,440,435,398,389,404,495,482,505,464,475,454,461,572,551

%N a(n) = n XOR 10n, where XOR is bitwise XOR.

%t f[n_] := BitXor[n, 10 n]; Array[f, 60, 0] (* _Robert G. Wilson v_, Jun 09 2010 *)

%Y Cf. A048724, A178729, A048725, A178731, A178732, A178733, A178734, A178735. - _Robert G. Wilson v_, Jun 09 2010

%K nonn

%O 0,2

%A _Dmitry Kamenetsky_, Jun 08 2010

%E a(30) onwards from _Robert G. Wilson v_, Jun 09 2010