// output of ./demo/seq/A212494-demo.cc:
// Description:
//% OEIS sequence A212494:
//% Base 2i representation of n.
//% Also A212542: base 2i representation of negative numbers.

arg 1: 44 == n  [Convert numbers 0,1,2,...,n]  default=44
arg 2: 0 == nq  [Whether to convert numbers 0,-1,-2,...,-n]  default=0
0 0
1 1
2 2
3 3
4 10300
5 10301
6 10302
7 10303
8 10200
9 10201
10 10202
11 10203
12 10100
13 10101
14 10102
15 10103
16 10000
17 10001
18 10002
19 10003
20 20300
21 20301
22 20302
23 20303
24 20200
25 20201
26 20202
27 20203
28 20100
29 20101
30 20102
31 20103
32 20000
33 20001
34 20002
35 20003
36 30300
37 30301
38 30302
39 30303
40 30200
41 30201
42 30202
43 30203
44 30100