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A129151 as a simple table

n a(n)
0 81
1 108
2 216
3 540
4 1188
5 2484
6 5076
7 10260
8 23112
9 57996
10 135648
11 475632
12 1586736
13 4760640
14 20409408
15 89259840
16 374899968
17 1880140032
18 9400707072
19 64402394112
20 395614900224
21 2769304412160
22 22930714939392
23 162970999640064
24 1188480788434944
25 8320496444780544

[81,108,216,540,1188,2484,5076,10260,23112,57996,
 135648,475632,1586736,4760640,20409408,89259840,
 374899968,1880140032,9400707072,64402394112,
 395614900224,2769304412160,22930714939392,
 162970999640064,1188480788434944,8320496444780544]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)