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A171190 as a simple table

n a(n)
0 1
1 2
2 3
3 10
4 27
5 112
6 336
7 1490
8 4791
9 22138
10 74079
11 351288
12 1207620
13 5831208
14 20436516
15 100004994
16 355610367
17 1758044950
18 6322608561
19 31511387450
20 114359284515
21 573713781760
22 2097612975456
23 10580600244664
24 38925304968612

[1,2,3,10,27,112,336,1490,4791,22138,74079,351288,
 1207620,5831208,20436516,100004994,355610367,
 1758044950,6322608561,31511387450,114359284515,
 573713781760,2097612975456,10580600244664,
 38925304968612]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)