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A057689 as a simple table

n a(n)
2 16
3 66
4 50
5 672
6 20372
7 494
8 36918
9 1404
10 12210
11 4248
12 5070
13 1682
14 1850
15 2210
16 35882
17 102720
18 94484303672
19 30084
20 178992
21 5330
22 246560
23 6890
24 294253314
25 8416400
26 515202
27 134004
28 2810784
29 2810883506682183650
30 377198408
31 320168

[16,66,50,672,20372,494,36918,1404,12210,4248,
 5070,1682,1850,2210,35882,102720,94484303672,
 30084,178992,5330,246560,6890,294253314,8416400,
 515202,134004,2810784,2810883506682183650,
 377198408,320168]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)