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A014325 as a simple table

n a(n)
0 1
1 4
2 14
3 48
4 169
5 624
6 2442
7 10188
8 45452
9 217100
10 1109914
11 6064584
12 35330715
13 218788432
14 1435302930
15 9940062428
16 72422364227
17 553338786504
18 4420324121772
19 36820875272488
20 319053830821880
21 2869645346679368
22 26739383194844404
23 257682847299543248

[1,4,14,48,169,624,2442,10188,45452,217100,
 1109914,6064584,35330715,218788432,1435302930,
 9940062428,72422364227,553338786504,4420324121772,
 36820875272488,319053830821880,2869645346679368,
 26739383194844404,257682847299543248]

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Last modified October 18 23:35 EDT 2021. Contains 348071 sequences. (Running on oeis4.)