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A317339 as a simple table

n a(n)
0 1
1 1
2 1
3 4
4 26
5 239
6 2768
7 38267
8 611193
9 11040954
10 222241117
11 4929304517
12 119423079917
13 3137864557135
14 88884310756274
15 2700439386780586
16 87603920737623984
17 3022626187893726774
18 110534722263602544357
19 4270777627515614565004
20 173854104446646589718022
21 7437462737558953036993295

[1,1,1,4,26,239,2768,38267,611193,11040954,
 222241117,4929304517,119423079917,3137864557135,
 88884310756274,2700439386780586,87603920737623984,
 3022626187893726774,110534722263602544357,
 4270777627515614565004,173854104446646589718022,
 7437462737558953036993295]

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Last modified August 22 10:30 EDT 2024. Contains 375369 sequences. (Running on oeis4.)