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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.

A088698 Replace 1 with 11 in binary representation of n.

Table of values

n a(n)
0 0
1 3
2 6
3 15
4 12
5 27
6 30
7 63
8 24
9 51
10 54
11 111
12 60
13 123
14 126
15 255
16 48
17 99
18 102
19 207
20 108
21 219
22 222
23 447
24 120
25 243
26 246
27 495
28 252
29 507
30 510
31 1023
32 96
33 195
34 198
35 399
36 204
37 411
38 414
39 831
40 216
41 435
42 438
43 879
44 444
45 891
46 894
47 1791
48 240
49 483
50 486
51 975
52 492
53 987
54 990

List of values

[0, 3, 6, 15, 12, 27, 30, 63, 24, 51, 54, 111, 60, 123, 126, 255, 48, 99, 102, 207, 108, 219, 222, 447, 120, 243, 246, 495, 252, 507, 510, 1023, 96, 195, 198, 399, 204, 411, 414, 831, 216, 435, 438, 879, 444, 891, 894, 1791, 240, 483, 486, 975, 492, 987, 990]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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