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A221098 as a simple table

n a(n)
0 1
1 1
2 8
3 156
4 5184
5 243280
6 14742240
7 1097403552
8 97012667136
9 9936480419424
10 1157549828855040
11 151193318253405120
12 21890302973632558080
13 3480525852596442818688
14 603034041051994953483264
15 113109668528001746742489600
16 22839699845167989485088522240

[1,1,8,156,5184,243280,14742240,1097403552,
 97012667136,9936480419424,1157549828855040,
 151193318253405120,21890302973632558080,
 3480525852596442818688,603034041051994953483264,
 113109668528001746742489600,
 22839699845167989485088522240]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)