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A027997 as a simple table

n a(n)
3 16
4 70
5 292
6 1197
7 4864
8 19656
9 79124
10 317592
11 1271976
12 5085730
13 20307396
14 81003583
15 322847552
16 1285900570
17 5119076236
18 20370229878
19 81032093192
20 322258628220
21 1281334227276
22 5093898416278
23 20248096412336
24 80478051058480

[16,70,292,1197,4864,19656,79124,317592,1271976,
 5085730,20307396,81003583,322847552,1285900570,
 5119076236,20370229878,81032093192,322258628220,
 1281334227276,5093898416278,20248096412336,
 80478051058480]

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Last modified April 25 12:53 EDT 2024. Contains 371969 sequences. (Running on oeis4.)