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A120492 as a simple table

n a(n)
1 2
2 6
3 39
4 504
5 17765
6 552552
7 30870007
8 1387350084
9 103306557609
10 16762578985600
11 1290073179870299
12 216632259853089564
13 30312656885388018973
14 2922170957243151047352
15 378560698729260507690687 

[2,6,39,504,17765,552552,30870007,1387350084,
 103306557609,16762578985600,1290073179870299,
 216632259853089564,30312656885388018973,
 2922170957243151047352,378560698729260507690687]

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Last modified September 2 21:12 EDT 2024. Contains 375616 sequences. (Running on oeis4.)