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A219379 as a simple table

n a(n)
1 21
2 66
3 2792
4 60738
5 1307685
6 23986853
7 409150493
8 6702007395
9 105240489608
10 1564398481928
11 21973021284822
12 293178712037844

[21,66,2792,60738,1307685,23986853,409150493,
 6702007395,105240489608,1564398481928,
 21973021284822,293178712037844]

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Last modified July 15 19:27 EDT 2024. Contains 374334 sequences. (Running on oeis4.)