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A180030 as a simple table

n a(n)
0 1
1 6
2 38
3 238
4 1494
5 9374
6 58822
7 369102
8 2316086
9 14533246
10 91194918
11 572240558
12 3590762134
13 22531735134
14 141384772742
15 887177744782
16 5566966905846
17 34932256487486
18 219197017684198
19 1375443140320878
20 8630791843077974

[1,6,38,238,1494,9374,58822,369102,2316086,
 14533246,91194918,572240558,3590762134,
 22531735134,141384772742,887177744782,
 5566966905846,34932256487486,219197017684198,
 1375443140320878,8630791843077974]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)