This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A178895 #14 Jan 31 2021 20:06:56
%S A178895 0,9,18,27,36,45,54,63,72,73,90,91,108,109,126,127,144,153,146,155,
%T A178895 180,189,182,191,216,217,218,219,252,253,254,255,288,297,306,315,292,
%U A178895 301,310,319,360,361,378,379,364,365,382,383,432,441,434,443,436,445,438
%N A178895 a(n) = n OR 8n, where OR is bitwise OR.
%C A178895 Perhaps this is a rearrangement of A114386?
%C A178895 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
%H A178895 Robert Israel, <a href="/A178895/b178895.txt">Table of n, a(n) for n = 0..10000</a>
%p A178895 read("transforms"); for n from 0 to 120 do printf("%d,", ORnos(n,8*n) ) ; end do: # _R. J. Mathar_, Jun 26 2010
%t A178895 f[n_] := BitOr[n, 8n]; Array[f, 55, 0] (* _Robert G. Wilson v_, Jun 28 2010 *)
%Y A178895 Cf. A163617, A178890, A178891, A178892, A178893, A178894, A178896, A178897.
%K A178895 nonn,look
%O A178895 0,2
%A A178895 _Dmitry Kamenetsky_, Jun 21 2010
%E A178895 More terms from _R. J. Mathar_ and _Robert G. Wilson v_, Jun 26 2010