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A218407 as a simple table

n a(n)
1 30
2 140
3 2480
4 6200
5 40640
6 297600
7 997920
8 64995840
9 167751680
10 1502582400
11 42949345280
12 183196016640
13 687193456640
14 1447428787200
15 63870637017600
16 326676430080000
17 20797363851264000
18 24871926476966400
19 42981218625945600
20 404918548479244800

[30,140,2480,6200,40640,297600,997920,64995840,
 167751680,1502582400,42949345280,183196016640,
 687193456640,1447428787200,63870637017600,
 326676430080000,20797363851264000,
 24871926476966400,42981218625945600,
 404918548479244800]

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)