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A028688 as a simple table

n a(n)
1 1
2 2
3 3
4 6
5 16
6 21
7 24
8 45
9 96
10 120
11 175
12 288
13 315
14 416
15 441
16 640
17 720
18 891
19 1200
20 1573
21 2016
22 2535
23 2835
24 3136
25 3825
26 4608
27 5040
28 5491
29 6480
30 7581
31 8800
32 9765
33 10143
34 11616
35 11904
36 13225
37 14976
38 16875
39 18928
40 21141
41 23520
42 26071
43 28800
44 31713

[1,2,3,6,16,21,24,45,96,120,175,288,315,416,441,
 640,720,891,1200,1573,2016,2535,2835,3136,3825,
 4608,5040,5491,6480,7581,8800,9765,10143,11616,
 11904,13225,14976,16875,18928,21141,23520,26071,
 28800,31713]

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Last modified May 20 11:50 EDT 2013. Contains 225459 sequences.