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A247729 as a simple table

n a(n)
1 8
2 172
3 1248
4 5796
5 19744
6 55372
7 133780
8 290004
9 576064
10 1068584
11 1871996
12 3129068
13 5023940
14 7795872
15 11741676
16 17233232
17 24718860
18 34744832
19 47955536
20 65119328
21 87126876
22 115022012
23 149997832
24 193432664
25 246883888
26 312129332

[8,172,1248,5796,19744,55372,133780,290004,576064,
 1068584,1871996,3129068,5023940,7795872,11741676,
 17233232,24718860,34744832,47955536,65119328,
 87126876,115022012,149997832,193432664,246883888,
 312129332]

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Last modified August 10 22:36 EDT 2022. Contains 356046 sequences. (Running on oeis4.)