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A361884 as a simple table

n a(n)
1 2
2 66
3 2540
4 110530
5 5197752
6 257490156
7 13238524728
8 699822144450
9 37800431926400
10 2077184897317816
11 115757876008359312
12 6526739641107783916
13 371641758587326581200
14 21341134886976332825400
15 1234474507620634579565040 

[2,66,2540,110530,5197752,257490156,13238524728,
 699822144450,37800431926400,2077184897317816,
 115757876008359312,6526739641107783916,
 371641758587326581200,21341134886976332825400,
 1234474507620634579565040]

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Last modified May 10 03:34 EDT 2024. Contains 372354 sequences. (Running on oeis4.)