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A045622 as a simple table

n a(n)
1 1
2 25
3 362
4 3973
5 36646
6 299530
7 2238676
8 15613741
9 103054094
10 650194974
11 3950996556
12 23257207714
13 133217073276
14 745218012084
15 4083224828328
16 21966983072637
17 116268166691358
18 606474982072982
19 3122157367765788

[1,25,362,3973,36646,299530,2238676,15613741,
 103054094,650194974,3950996556,23257207714,
 133217073276,745218012084,4083224828328,
 21966983072637,116268166691358,606474982072982,
 3122157367765788]

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Last modified August 7 17:44 EDT 2020. Contains 336278 sequences. (Running on oeis4.)