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A133681 as a simple table

n a(n)
0 1
1 9
2 162
3 2268
4 34992
5 519048
6 7820712
7 117100728
8 1757770632
9 26359001208
10 395430367752
11 5931183418488
12 88969383864072
13 1334530962440568
14 20018023209731592
15 300269995507235448
16 4504052048440962312

[1,9,162,2268,34992,519048,7820712,117100728,
 1757770632,26359001208,395430367752,5931183418488,
 88969383864072,1334530962440568,20018023209731592,
 300269995507235448,4504052048440962312]

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Last modified June 11 18:20 EDT 2024. Contains 373315 sequences. (Running on oeis4.)