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A032030 formatted as a simple table:

n a(n)
1 2
2 2
3 8
4 46
5 276
6 1836
7 12712
8 90610
9 661652
10 4922404
11 37178736
12 284330552
13 2197474456
14 17136206984
15 134667604360
16 1065457242054
17 8479671583004
18 67841927540372
19 545314544677904
20 4401667141277988

[2,2,8,46,276,1836,12712,90610,661652,4922404,
 37178736,284330552,2197474456,17136206984,
 134667604360,1065457242054,8479671583004,
 67841927540372,545314544677904,4401667141277988]

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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