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.

A326079 Number of subsets of {1..n} containing all of their integer quotients > 1.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 32
6 48
7 96
8 144
9 288
10 432
11 864
12 1104
13 2208
14 3312
15 5184
16 7872
17 15744
18 20112
19 40224
20 53376
21 84640
22 126960
23 253920
24 309600
25 619200
26 928800
27 1475136
28 1984320
29 3968640
30 4901760
31 9803520
32 12585600
33 20394624
34 30591936
35 52483392
36 65894976
37 131789952
38 197684928
39 323175744
40 411685056

List of values

[1, 2, 4, 8, 16, 32, 48, 96, 144, 288, 432, 864, 1104, 2208, 3312, 5184, 7872, 15744, 20112, 40224, 53376, 84640, 126960, 253920, 309600, 619200, 928800, 1475136, 1984320, 3968640, 4901760, 9803520, 12585600, 20394624, 30591936, 52483392, 65894976, 131789952, 197684928, 323175744, 411685056]

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

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