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A032257 as a simple table

n a(n)
1 2
2 2
3 3
4 7
5 15
6 44
7 131
8 438
9 1476
10 5111
11 17822
12 62862
13 223204
14 798895
15 2877861
16 10433901
17 38041351
18 139423129
19 513375505
20 1898374940
21 7046831509
22 26249681626
23 98092666143
24 367633769903
25 1381518075474

[2,2,3,7,15,44,131,438,1476,5111,17822,62862,
 223204,798895,2877861,10433901,38041351,139423129,
 513375505,1898374940,7046831509,26249681626,
 98092666143,367633769903,1381518075474]

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Last modified May 18 03:43 EDT 2024. Contains 372618 sequences. (Running on oeis4.)