A178735 a(n) = n XOR 9n, where XOR is bitwise XOR.
0, 8, 16, 24, 32, 40, 48, 56, 64, 88, 80, 104, 96, 120, 112, 136, 128, 136, 176, 184, 160, 168, 208, 216, 192, 248, 240, 232, 224, 280, 272, 264, 256, 264, 272, 280, 352, 360, 368, 376, 320, 344, 336, 424, 416, 440, 432, 392, 384, 392, 496, 504, 480, 488, 464
Offset: 0
Keywords
Crossrefs
Programs
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Mathematica
f[n_] := BitXor[n, 9 n]; Array[f, 60, 0] (* Robert G. Wilson v, Jun 09 2010 *)
Extensions
a(30) onwards from Robert G. Wilson v, Jun 09 2010