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A069091 as a simple table

n a(n)
1 1
2 63
3 728
4 4032
5 15624
6 45864
7 117648
8 258048
9 530712
10 984312
11 1771560
12 2935296
13 4826808
14 7411824
15 11374272
16 16515072
17 24137568
18 33434856
19 47045880
20 62995968
21 85647744
22 111608280
23 148035888
24 187858944
25 244125000
26 304088904
27 386889048

[1,63,728,4032,15624,45864,117648,258048,530712,
 984312,1771560,2935296,4826808,7411824,11374272,
 16515072,24137568,33434856,47045880,62995968,
 85647744,111608280,148035888,187858944,244125000,
 304088904,386889048]

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Last modified January 23 04:16 EST 2020. Contains 331168 sequences. (Running on oeis4.)