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A041801 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 27
4 137
5 164
6 629
7 793
8 2215
9 3008
10 5223
11 8231
12 21685
13 203396
14 225081
15 1778963
16 5561970
17 18464873
18 42491716
19 103448305
20 352836631
21 1161958198
22 8486544017
23 9648502215
24 95323063952
25 200294630119

[1,1,2,27,137,164,629,793,2215,3008,5223,8231,
 21685,203396,225081,1778963,5561970,18464873,
 42491716,103448305,352836631,1161958198,
 8486544017,9648502215,95323063952,200294630119]

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


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