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A002809 formatted as a simple table:

n a(n)
1 1
2 2
3 3
4 4
5 6
6 12
7 15
8 20
9 30
10 60
11 84
12 105
13 140
14 210
15 420
16 840
17 1260
18 1540
19 2310
20 2520
21 4620
22 5460
23 9240
24 13860
25 16380
26 27720
27 30030
28 32760
29 60060
30 120120
31 180180
32 360360
33 471240
34 510510
35 556920
36 1021020
37 1141140
38 2042040
39 3063060
40 3423420
41 6126120

[1,2,3,4,6,12,15,20,30,60,84,105,140,210,420,840,
 1260,1540,2310,2520,4620,5460,9240,13860,16380,
 27720,30030,32760,60060,120120,180180,360360,
 471240,510510,556920,1021020,1141140,2042040,
 3063060,3423420,6126120]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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