cp's OEIS Frontend

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.

A231208 Number of binary "privileged words" of length n.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 4
5 8
6 8
7 16
8 20
9 40
10 60
11 108
12 176
13 328
14 568
15 1040
16 1848
17 3388
18 6132
19 11332
20 20788
21 38576
22 71444
23 133256
24 248676
25 466264
26 875408
27 1649236
28 3112220
29 5888548
30 11160548
31 21198388
32 40329428
33 76865388
34 146720792
35 280498456
36 536986772
37 1029413396
38 1975848400
39 3797016444
40 7304942256
41 14068883556
42 27123215268
43 52341185672
44 101098109768
45 195444063640

List of values

[1, 2, 2, 4, 4, 8, 8, 16, 20, 40, 60, 108, 176, 328, 568, 1040, 1848, 3388, 6132, 11332, 20788, 38576, 71444, 133256, 248676, 466264, 875408, 1649236, 3112220, 5888548, 11160548, 21198388, 40329428, 76865388, 146720792, 280498456, 536986772, 1029413396, 1975848400, 3797016444, 7304942256, 14068883556, 27123215268, 52341185672, 101098109768, 195444063640]

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

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