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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.

A144300 Number of partitions of n minus number of divisors of n.

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 5
6 7
7 13
8 18
9 27
10 38
11 54
12 71
13 99
14 131
15 172
16 226
17 295
18 379
19 488
20 621
21 788
22 998
23 1253
24 1567
25 1955
26 2432
27 3006
28 3712
29 4563
30 5596
31 6840
32 8343
33 10139
34 12306
35 14879
36 17968
37 21635
38 26011
39 31181
40 37330
41 44581
42 53166
43 63259
44 75169
45 89128
46 105554
47 124752

List of values

[0, 0, 1, 2, 5, 7, 13, 18, 27, 38, 54, 71, 99, 131, 172, 226, 295, 379, 488, 621, 788, 998, 1253, 1567, 1955, 2432, 3006, 3712, 4563, 5596, 6840, 8343, 10139, 12306, 14879, 17968, 21635, 26011, 31181, 37330, 44581, 53166, 63259, 75169, 89128, 105554, 124752]

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

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