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A323685 as a simple table

n a(n)
0 1
1 1
2 2
3 15
4 46
5 207
6 1201
7 6283
8 36746
9 235463
10 1553311
11 10803272
12 79101355
13 602629168
14 4775430042
15 39306129479
16 334963829368
17 2949993280119
18 26808687950425
19 250987986961396
20 2417350292179932
21 23922186855590303
22 242961589181754713
23 2529832992050854458
24 26980268905373556691
25 294452742973863998098
26 3285813227185410286520

[1,1,2,15,46,207,1201,6283,36746,235463,1553311,
 10803272,79101355,602629168,4775430042,
 39306129479,334963829368,2949993280119,
 26808687950425,250987986961396,2417350292179932,
 23922186855590303,242961589181754713,
 2529832992050854458,26980268905373556691,
 294452742973863998098,3285813227185410286520]

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Last modified July 24 12:47 EDT 2021. Contains 346273 sequences. (Running on oeis4.)