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A308940 as a simple table

n a(n)
0 1
1 1
2 3
3 14
4 85
5 645
6 5878
7 62495
8 759351
9 10379878
10 157652085
11 2633903669
12 48005235886
13 947849607015
14 20154635314591
15 459170181891230
16 11158379672316837
17 288109467764819749
18 7876576756719778854
19 227299554620022188879
20 6904560742996004248135

[1,1,3,14,85,645,5878,62495,759351,10379878,
 157652085,2633903669,48005235886,947849607015,
 20154635314591,459170181891230,11158379672316837,
 288109467764819749,7876576756719778854,
 227299554620022188879,6904560742996004248135]

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Last modified June 22 08:36 EDT 2021. Contains 345375 sequences. (Running on oeis4.)