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A233157 as a simple table

n a(n)
1 81
2 384
3 2592
4 17496
5 121176
6 842616
7 5871528
8 40931568
9 285366888
10 1989557640
11 13871104848
12 96708780360
13 674249796360
14 4700843090928
15 32774093555112
16 228499694410248
17 1593090904911120
18 11106967289377032
19 77437340197187976

[81,384,2592,17496,121176,842616,5871528,40931568,
 285366888,1989557640,13871104848,96708780360,
 674249796360,4700843090928,32774093555112,
 228499694410248,1593090904911120,
 11106967289377032,77437340197187976]

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Last modified June 25 13:13 EDT 2024. Contains 373705 sequences. (Running on oeis4.)