The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A256441 Binary representation of base-(i-1) expansion of -n: replace i-1 with 2 in base-(i-1) expansion of -n. 3

%I

%S 0,29,28,17,16,205,204,193,192,221,220,209,208,7437,7436,7425,7424,

%T 7453,7452,7441,7440,7629,7628,7617,7616,7645,7644,7633,7632,7181,

%U 7180,7169,7168,7197,7196,7185,7184,7373,7372,7361,7360,7389,7388,7377,7376,4365

%N Binary representation of base-(i-1) expansion of -n: replace i-1 with 2 in base-(i-1) expansion of -n.

%C Here i = sqrt(-1).

%H Paul Tek, <a href="/A256441/b256441.txt">Table of n, a(n) for n = 0..10000</a>

%H Paul Tek, <a href="/A256441/a256441.pl.txt">Perl program for this sequence</a>

%e a(5) = 205 = 2^7 + 2^6 + 2^3 + 2^2 + 2^0 since (i-1)^7 + (i-1)^6 + (i-1)^3 + (i-1)^2 + (i-1)^0 = -5.

%Y Cf. A066321.

%K base,nonn

%O 0,2

%A _Paul Tek_, Mar 29 2015

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 15 08:18 EDT 2021. Contains 342977 sequences. (Running on oeis4.)