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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.

A060661 Numbers k such that sigma(x) = k has exactly 5 solutions.

Table of values

n a(n)
1 72
2 144
3 192
4 216
5 588
6 600
7 648
8 792
9 936
10 992
11 1056
12 1224
13 1302
14 1320
15 1560
16 1736
17 1980
18 2040
19 2088
20 2112
21 2268
22 2448
23 2730
24 2790
25 2912
26 3038
27 3136
28 3312
29 3472
30 3520
31 3534
32 3552
33 3672
34 3792
35 3816
36 3936
37 4056
38 4092
39 4340
40 4440
41 4864
42 4872
43 4920
44 4960

List of values

[72, 144, 192, 216, 588, 600, 648, 792, 936, 992, 1056, 1224, 1302, 1320, 1560, 1736, 1980, 2040, 2088, 2112, 2268, 2448, 2730, 2790, 2912, 3038, 3136, 3312, 3472, 3520, 3534, 3552, 3672, 3792, 3816, 3936, 4056, 4092, 4340, 4440, 4864, 4872, 4920, 4960]

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

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