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A231172 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 55
5 412
6 3665
7 37809
8 443998
9 5848921
10 85425959
11 1370144160
12 23941364521
13 452710417321
14 9210564625442
15 200626664154849
16 4658472162245695
17 114865936425213532
18 2997499707147860825
19 82533717939413618649
20 2391252655460083134718
21 72723156542550310492081
22 2316342951911550838935119

[1,1,2,9,55,412,3665,37809,443998,5848921,
 85425959,1370144160,23941364521,452710417321,
 9210564625442,200626664154849,4658472162245695,
 114865936425213532,2997499707147860825,
 82533717939413618649,2391252655460083134718,
 72723156542550310492081,2316342951911550838935119]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)