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A148332 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 14
5 42
6 140
7 481
8 1740
9 6517
10 25071
11 98909
12 398029
13 1630133
14 6776780
15 28545990
16 121634875
17 523592344
18 2274403486
19 9959936977
20 43935043231
21 195083730751
22 871408143675
23 3913633986985
24 17664173896079
25 80090608816509
26 364658344537497
27 1666732699542652
28 7645308725638059

[1,1,2,5,14,42,140,481,1740,6517,25071,98909,
 398029,1630133,6776780,28545990,121634875,
 523592344,2274403486,9959936977,43935043231,
 195083730751,871408143675,3913633986985,
 17664173896079,80090608816509,364658344537497,
 1666732699542652,7645308725638059]

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Last modified June 29 15:25 EDT 2022. Contains 354913 sequences. (Running on oeis4.)