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A155155 as a simple table

n a(n)
0 18
1 58
2 178
3 538
4 1618
5 4858
6 14578
7 43738
8 131218
9 393658
10 1180978
11 3542938
12 10628818
13 31886458
14 95659378
15 286978138
16 860934418
17 2582803258
18 7748409778
19 23245229338
20 69735688018
21 209207064058
22 627621192178
23 1882863576538

[18,58,178,538,1618,4858,14578,43738,131218,
 393658,1180978,3542938,10628818,31886458,95659378,
 286978138,860934418,2582803258,7748409778,
 23245229338,69735688018,209207064058,627621192178,
 1882863576538]

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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)