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A216335 as a simple table

n a(n)
1 2
2 12
3 602
4 12840
5 2387180
6 99827160
7 41521045376
8 2751754706832
9 2063225889204272
10 194478305002268064
11 232628053298868289568
12 29191372156840204219200
13 51464654047934299798487552 

[2,12,602,12840,2387180,99827160,41521045376,
 2751754706832,2063225889204272,194478305002268064,
 232628053298868289568,29191372156840204219200,
 51464654047934299798487552]

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Last modified September 19 11:06 EDT 2024. Contains 376010 sequences. (Running on oeis4.)