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A154921 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 3
5 2
6 1
7 13
8 9
9 3
10 1
11 75
12 52
13 18
14 4
15 1
16 541
17 375
18 130
19 30
20 5
21 1
22 4683
23 3246
24 1125
25 260
26 45
27 6
28 1
29 47293
30 32781
31 11361
32 2625
33 455
34 63
35 7
36 1
37 545835
38 378344
39 131124
40 30296
41 5250
42 728
43 84
44 8
45 1

[1,1,1,3,2,1,13,9,3,1,75,52,18,4,1,541,375,130,30,
 5,1,4683,3246,1125,260,45,6,1,47293,32781,11361,
 2625,455,63,7,1,545835,378344,131124,30296,5250,
 728,84,8,1]

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.


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