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A064856 as a simple table

n a(n)
0 1
1 1
2 3
3 12
4 59
5 338
6 2185
7 15613
8 121553
9 1020170
10 9154963
11 87276995
12 879242215
13 9319182044
14 103537712361
15 1201967382478
16 14540040004755
17 182840037042560
18 2384985091689409
19 32209645344213417
20 449608555748234353
21 6476887237235672388
22 96156363230696213447

[1,1,3,12,59,338,2185,15613,121553,1020170,
 9154963,87276995,879242215,9319182044,
 103537712361,1201967382478,14540040004755,
 182840037042560,2384985091689409,
 32209645344213417,449608555748234353,
 6476887237235672388,96156363230696213447]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)