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A024025 as a simple table

n a(n)
0 1
1 2
2 5
3 18
4 65
5 218
6 693
7 2138
8 6497
9 19602
10 58949
11 177026
12 531297
13 1594154
14 4782773
15 14348682
16 43046465
17 129139874
18 387420165
19 1162261106
20 3486784001
21 10460352762
22 31381059125
23 94143178298
24 282429535905
25 847288608818

[1,2,5,18,65,218,693,2138,6497,19602,58949,177026,
 531297,1594154,4782773,14348682,43046465,
 129139874,387420165,1162261106,3486784001,
 10460352762,31381059125,94143178298,282429535905,
 847288608818]

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)