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A053783 formatted as a simple table:

n a(n)
1 1
2 6
3 28
4 140
5 728
6 1638
7 2184
8 3640
9 8008
10 8190
11 10920
12 18620
13 23808
14 23895
15 27846
16 37128
17 47790
18 55860
19 69160
20 148960
21 166656
22 189810
23 237510
24 242060
25 316680
26 334530
27 359600
28 406215
29 446880
30 484120
31 525690
32 669060
33 726180
34 1029952

[1,6,28,140,728,1638,2184,3640,8008,8190,10920,
 18620,23808,23895,27846,37128,47790,55860,69160,
 148960,166656,189810,237510,242060,316680,334530,
 359600,406215,446880,484120,525690,669060,726180,
 1029952]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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