A178734 a(n) = n XOR 8n, where XOR is bitwise XOR.

0, 9, 18, 27, 36, 45, 54, 63, 72, 65, 90, 83, 108, 101, 126, 119, 144, 153, 130, 139, 180, 189, 166, 175, 216, 209, 202, 195, 252, 245, 238, 231, 288, 297, 306, 315, 260, 269, 278, 287, 360, 353, 378, 371, 332, 325, 350, 343, 432, 441, 418, 427, 404, 413, 390

Offset

0,2

Links

Table of n, a(n) for n=0..54.

Mathematica

f[n_] := BitXor[n, 8 n]; Array[f, 60, 0] (* Robert G. Wilson v, Jun 09 2010 *)

Prog

(Python)
def A178734(n): return n^ n<<3 # Chai Wah Wu, Jun 29 2022

Crossrefs

Cf. A048724, A178729, A048725, A178731, A178732, A178733, A178735, A178736. - Robert G. Wilson v, Jun 09 2010

Sequence in context: A282149 A114612 A108782 * A114386 A178895 A044894

Adjacent sequences: A178731 A178732 A178733 * A178735 A178736 A178737

Keyword

nonn

Author

Dmitry Kamenetsky, Jun 08 2010

Extensions

a(30) onwards from Robert G. Wilson v, Jun 09 2010

Status

approved