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A321315 as a simple table

n a(n)
1 1
2 1
3 5
4 14
5 78
6 488
7 3161
8 25092
9 231428
10 2299664
11 24809824
12 296046900
13 3863542365
14 54081895706
15 806425921874
16 12828011279528
17 217574673205512
18 3914918953508792
19 74300528009315864
20 1482219340166034896
21 31035891175182089248
22 681299189806864371412
23 15649118660372502746968

[1,1,5,14,78,488,3161,25092,231428,2299664,
 24809824,296046900,3863542365,54081895706,
 806425921874,12828011279528,217574673205512,
 3914918953508792,74300528009315864,
 1482219340166034896,31035891175182089248,
 681299189806864371412,15649118660372502746968]

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Last modified August 19 11:38 EDT 2024. Contains 375285 sequences. (Running on oeis4.)