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A133648 as a simple table

n a(n)
1 5
2 18
3 59
4 184
5 561
6 1694
7 5095
8 15300
9 45917
10 137770
11 413331
12 1240016
13 3720073
14 11160246
15 33480767
16 100442332
17 301327029
18 903981122
19 2711943403
20 8135830248
21 24407490785
22 73222472398
23 219667417239
24 659002251764
25 1977006755341

[5,18,59,184,561,1694,5095,15300,45917,137770,
 413331,1240016,3720073,11160246,33480767,
 100442332,301327029,903981122,2711943403,
 8135830248,24407490785,73222472398,219667417239,
 659002251764,1977006755341]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)