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A159329 formatted as a simple table:

n a(n)
0 2
1 4
2 9
3 23
4 54
5 125
6 290
7 674
8 1567
9 3643
10 8469
11 19688
12 45769
13 106400
14 247350
15 575019
16 1336757
17 3107583
18 7224254
19 16794353
20 39042134
21 90761950
22 210995935
23 490506039
24 1140288197
25 2650848448
26 6162474989
27 14326016268
28 33303947274

[2,4,9,23,54,125,290,674,1567,3643,8469,19688,
 45769,106400,247350,575019,1336757,3107583,
 7224254,16794353,39042134,90761950,210995935,
 490506039,1140288197,2650848448,6162474989,
 14326016268,33303947274]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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