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A127982 formatted as a simple table:

n a(n)
1 1
2 6
3 20
4 57
5 147
6 360
7 850
8 1959
9 4433
10 9894
11 21840
12 47781
13 103759
14 223908
15 480590
16 1026723
17 2184525
18 4631202
19 9786700
20 20621985
21 43341131
22 90876576
23 190141770
24 397060767
25 827675977
26 1722460830
27 3579139400
28 7426714269
29 15390299463

[1,6,20,57,147,360,850,1959,4433,9894,21840,47781,
 103759,223908,480590,1026723,2184525,4631202,
 9786700,20621985,43341131,90876576,190141770,
 397060767,827675977,1722460830,3579139400,
 7426714269,15390299463]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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