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A359922 as a simple table

n a(n)
0 1
1 1
2 4
3 9
4 42
5 187
6 775
7 3470
8 16085
9 76521
10 368274
11 1791494
12 8829531
13 43964379
14 220667042
15 1115235384
16 5671532510
17 29004157940
18 149056379047
19 769368598912
20 3986831368824
21 20733495321171
22 108175116519808
23 566067951728994
24 2970221822319878
25 15624080964153005

[1,1,4,9,42,187,775,3470,16085,76521,368274,
 1791494,8829531,43964379,220667042,1115235384,
 5671532510,29004157940,149056379047,769368598912,
 3986831368824,20733495321171,108175116519808,
 566067951728994,2970221822319878,
 15624080964153005]

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Last modified June 4 02:22 EDT 2023. Contains 363118 sequences. (Running on oeis4.)