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A125322 formatted as a simple table:

n a(n)
0 1
1 12
2 72
3 360
4 2080
5 12232
6 73656
7 449440
8 2770016
9 17195112
10 107304872
11 672224048
12 4223186080
13 26586825472
14 167628931360
15 1058056409920
16 6683674433920
17 42244783230496
18 267124015799712
19 1689602502335776

[1,12,72,360,2080,12232,73656,449440,2770016,
 17195112,107304872,672224048,4223186080,
 26586825472,167628931360,1058056409920,
 6683674433920,42244783230496,267124015799712,
 1689602502335776]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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