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A143314 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 0
5 40
6 1844
7 41584
8 611340
9 6588116
10 55482100
11 380126920
12 2177910310
13 10644616240
14 45049914588
15 167011924492
16 547315800984
17 1597026077496
18 4173458163098
19 9813490226056
20 20841357619302
21 40096048882028

[0,0,0,0,40,1844,41584,611340,6588116,55482100,
 380126920,2177910310,10644616240,45049914588,
 167011924492,547315800984,1597026077496,
 4173458163098,9813490226056,20841357619302,
 40096048882028]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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