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A215554 as a simple table

n a(n)
0 1
1 9
2 170
3 3625
4 81510
5 1888460
6 44602348
7 1067658735
8 25810820750
9 628737007195
10 15408077648040
11 379444514503119
12 9382177773301060
13 232775087755980000
14 5792018711632340160
15 144481310070897555910
16 3611955405113118024990
17 90470699668284950782170

[1,9,170,3625,81510,1888460,44602348,1067658735,
 25810820750,628737007195,15408077648040,
 379444514503119,9382177773301060,
 232775087755980000,5792018711632340160,
 144481310070897555910,3611955405113118024990,
 90470699668284950782170]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)