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A278008 as a simple table

n a(n)
1 0
2 6
3 30
4 198
5 1230
6 7734
7 48510
8 304422
9 1910190
10 11986326
11 75213150
12 471956358
13 2961486990
14 18583085814
15 116607324990
16 731701311462
17 4591365157230
18 28810436277846
19 180783102647070
20 1134399003458118
21 7118259838467150

[0,6,30,198,1230,7734,48510,304422,1910190,
 11986326,75213150,471956358,2961486990,
 18583085814,116607324990,731701311462,
 4591365157230,28810436277846,180783102647070,
 1134399003458118,7118259838467150]

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)