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A215562 as a simple table

n a(n)
0 1
1 7
2 403
3 40350
4 5223915
5 783353872
6 129141898872
7 22745605840236
8 4206489449301315
9 807660192541534200
10 159752979289765273698
11 32371149339259024610992
12 6692030708288364864188400
13 1406943391115083641966787200
14 300084647544974128326709244080

[1,7,403,40350,5223915,783353872,129141898872,
 22745605840236,4206489449301315,
 807660192541534200,159752979289765273698,
 32371149339259024610992,6692030708288364864188400,
 1406943391115083641966787200,
 300084647544974128326709244080]

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Last modified April 6 15:23 EDT 2020. Contains 333276 sequences. (Running on oeis4.)