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A200717 as a simple table

n a(n)
0 1
1 1
2 4
3 18
4 93
5 521
6 3073
7 18806
8 118297
9 760162
10 4968480
11 32928392
12 220766739
13 1494635330
14 10203884795
15 70167751762
16 485574854049
17 3379064343829
18 23631314301088
19 165998001901786
20 1170706810318259
21 8286253163771045
22 58842370488310336
23 419102145275264242
24 2993221125640617827

[1,1,4,18,93,521,3073,18806,118297,760162,4968480,
 32928392,220766739,1494635330,10203884795,
 70167751762,485574854049,3379064343829,
 23631314301088,165998001901786,1170706810318259,
 8286253163771045,58842370488310336,
 419102145275264242,2993221125640617827]

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)