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A085687 as a simple table

n a(n)
0 1
1 6
2 36
3 224
4 1440
5 9504
6 64064
7 439296
8 3055104
9 21498880
10 152807424
11 1095450624
12 7911587840
13 57511157760
14 420459724800
15 3089600348160
16 22806128885760
17 169033661153280
18 1257467341701120
19 9385880636620800
20 70271680244613120
21 527595313582571520

[1,6,36,224,1440,9504,64064,439296,3055104,
 21498880,152807424,1095450624,7911587840,
 57511157760,420459724800,3089600348160,
 22806128885760,169033661153280,1257467341701120,
 9385880636620800,70271680244613120,
 527595313582571520]

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Last modified May 12 13:56 EDT 2024. Contains 372480 sequences. (Running on oeis4.)