A178895 a(n) = n OR 8n, where OR is bitwise OR.

0, 9, 18, 27, 36, 45, 54, 63, 72, 73, 90, 91, 108, 109, 126, 127, 144, 153, 146, 155, 180, 189, 182, 191, 216, 217, 218, 219, 252, 253, 254, 255, 288, 297, 306, 315, 292, 301, 310, 319, 360, 361, 378, 379, 364, 365, 382, 383, 432, 441, 434, 443, 436, 445, 438

Offset: 0

Author

Dmitry Kamenetsky, Jun 21 2010

Keywords

• nonn
• look

Comments

Perhaps this is a rearrangement of A114386?

No, e.g., a(513) = 4617 is not in A114386. Moreover, this sequence is not injective, as a(65) = a(73) = 585. - Robert Israel, Jan 31 2021

Links

• Robert Israel, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A163617, A178890, A178891, A178892, A178893, A178894, A178896, A178897.

Programs

Maple

read("transforms"); for n from 0 to 120 do printf("%d,", ORnos(n,8*n) ) ; end do: # R. J. Mathar, Jun 26 2010

Mathematica

f[n_] := BitOr[n, 8n]; Array[f, 55, 0] (* Robert G. Wilson v, Jun 28 2010 *)

Extensions

More terms from R. J. Mathar and Robert G. Wilson v, Jun 26 2010