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A099720 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 3
4 9
5 9
6 19
7 45
8 145
9 260
10 604
11 1354
12 3182
13 6298
14 13020
15 25642
16 50388
17 92820
18 170578
19 303424
20 533798
21 908606
22 1530476
23 2522074
24 4107717
25 6553695
26 10343897
27 16070605
28 24706363
29 37437245
30 56184469
31 83316627
32 122439255
33 177978716
34 256574818
35 366404272

[1,1,1,3,9,9,19,45,145,260,604,1354,3182,6298,
 13020,25642,50388,92820,170578,303424,533798,
 908606,1530476,2522074,4107717,6553695,10343897,
 16070605,24706363,37437245,56184469,83316627,
 122439255,177978716,256574818,366404272]

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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