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A230728 as a simple table

n a(n)
1 0
2 30
3 2790
4 287616
5 31533840
6 3392436180
7 364767453384
8 39242855355538
9 4221146610109726
10 454047213220173184
11 48839869447328365210
12 5253480931259363958564
13 565092904199338813063288 

[0,30,2790,287616,31533840,3392436180,
 364767453384,39242855355538,4221146610109726,
 454047213220173184,48839869447328365210,
 5253480931259363958564,565092904199338813063288]

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Last modified April 24 17:51 EDT 2024. Contains 371962 sequences. (Running on oeis4.)