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A181364 as a simple table

n a(n)
1 21
2 377
3 610
4 2584
5 17711
6 75025
7 196418
8 514229
9 63245986
10 701408733
11 1134903170
12 1836311903
13 2971215073
14 17167680177565
15 72723460248141
16 117669030460994
17 2880067194370816120
18 19740274219868223167
19 354224848179261915075
20 1500520536206896083277

[21,377,610,2584,17711,75025,196418,514229,
 63245986,701408733,1134903170,1836311903,
 2971215073,17167680177565,72723460248141,
 117669030460994,2880067194370816120,
 19740274219868223167,354224848179261915075,
 1500520536206896083277]

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Last modified March 21 19:39 EDT 2023. Contains 361410 sequences. (Running on oeis4.)