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.

A327766 Number of compositions (ordered partitions) of n into divisors of n that are at most sqrt(n).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 5
5 1
6 13
7 1
8 34
9 19
10 89
11 1
12 927
13 1
14 610
15 189
16 4930
17 1
18 35890
19 1
20 46754
21 1873
22 28657
23 1
24 3919944
25 571
26 196418
27 18560
28 4205249
29 1
30 110187694
31 1
32 39882198
33 183916
34 9227465
35 9496
36 14484956252
37 1
38 63245986
39 1822473
40 11969319436
41 1
42 141930520462
43 1
44 34020543362
45 339200673

List of values

[1, 1, 1, 1, 5, 1, 13, 1, 34, 19, 89, 1, 927, 1, 610, 189, 4930, 1, 35890, 1, 46754, 1873, 28657, 1, 3919944, 571, 196418, 18560, 4205249, 1, 110187694, 1, 39882198, 183916, 9227465, 9496, 14484956252, 1, 63245986, 1822473, 11969319436, 1, 141930520462, 1, 34020543362, 339200673]