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.

A354765 a(n) is a binary encoded version of A355057(n).

Table of values

n a(n)
1 0
2 0
3 1
4 3
5 6
6 7
7 13
8 15
9 27
10 59
11 122
12 123
13 243
14 499
15 501
16 511
17 1007
18 2031
19 4047
20 8143
21 16271
22 32655
23 65422
24 65423
25 130831
26 261903
27 523791
28 1048079
29 2096651
30 2096671
31 4193813
32 4193815
33 4193311
34 8387615
35 16775199
36 33552415
37 67104799
38 134213663
39 268427295
40 536862751
41 1073725471
42 2147467295
43 4294934559
44 8589901855
45 17179803679

List of values

[0, 0, 1, 3, 6, 7, 13, 15, 27, 59, 122, 123, 243, 499, 501, 511, 1007, 2031, 4047, 8143, 16271, 32655, 65422, 65423, 130831, 261903, 523791, 1048079, 2096651, 2096671, 4193813, 4193815, 4193311, 8387615, 16775199, 33552415, 67104799, 134213663, 268427295, 536862751, 1073725471, 2147467295, 4294934559, 8589901855, 17179803679]

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

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