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A130129 as a simple table

n a(n)
0 1
1 8
2 28
3 80
4 208
5 512
6 1216
7 2816
8 6400
9 14336
10 31744
11 69632
12 151552
13 327680
14 704512
15 1507328
16 3211264
17 6815744
18 14417920
19 30408704
20 63963136
21 134217728
22 281018368
23 587202560
24 1224736768
25 2550136832
26 5301600256
27 11005853696
28 22817013760

[1,8,28,80,208,512,1216,2816,6400,14336,31744,
 69632,151552,327680,704512,1507328,3211264,
 6815744,14417920,30408704,63963136,134217728,
 281018368,587202560,1224736768,2550136832,
 5301600256,11005853696,22817013760]

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Last modified August 6 12:33 EDT 2020. Contains 336246 sequences. (Running on oeis4.)