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A090360 as a simple table

n a(n)
0 1
1 1
2 5
3 53
4 855
5 18471
6 500651
7 16334075
8 623157898
9 27214793210
10 1338641476882
11 73220527990322
12 4408033139790830
13 289619155572769806
14 20620846574162157750
15 1581511116725744872022
16 129981009079318502310677

[1,1,5,53,855,18471,500651,16334075,623157898,
 27214793210,1338641476882,73220527990322,
 4408033139790830,289619155572769806,
 20620846574162157750,1581511116725744872022,
 129981009079318502310677]

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Last modified January 26 22:05 EST 2022. Contains 350601 sequences. (Running on oeis4.)