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A030238 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 20
5 59
6 184
7 593
8 1964
9 6642
10 22845
11 79667
12 281037
13 1001092
14 3595865
15 13009673
16 47366251
17 173415176
18 638044203
19 2357941142
20 8748646386
21 32576869203
22 121701491701
23 456012458965
24 1713339737086

[1,1,3,7,20,59,184,593,1964,6642,22845,79667,
 281037,1001092,3595865,13009673,47366251,
 173415176,638044203,2357941142,8748646386,
 32576869203,121701491701,456012458965,
 1713339737086]

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Last modified March 29 06:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)