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A014981 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 1
5 2
6 3
7 7
8 11
9 28
10 120
11 197
12 892
13 2479
14 4148
15 11687
16 56010
17 271913
18 461529
19 2270882
20 6599404
21 11263855
22 56250108
23 164879269
24 830987861
25 7231032935
26 21386730355
27 36802336319
28 109099442316
29 187943217386

[1,1,1,1,2,3,7,11,28,120,197,892,2479,4148,11687,
 56010,271913,461529,2270882,6599404,11263855,
 56250108,164879269,830987861,7231032935,
 21386730355,36802336319,109099442316,
 187943217386]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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