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A052875 formatted as a simple table:

n a(n)
0 0
1 0
2 2
3 12
4 74
5 540
6 4682
7 47292
8 545834
9 7087260
10 102247562
11 1622632572
12 28091567594
13 526858348380
14 10641342970442
15 230283190977852
16 5315654681981354
17 130370767029135900
18 3385534663256845322

[0,0,2,12,74,540,4682,47292,545834,7087260,
 102247562,1622632572,28091567594,526858348380,
 10641342970442,230283190977852,5315654681981354,
 130370767029135900,3385534663256845322]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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