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A183444 as a simple table

n a(n)
1 1
2 9
3 18
4 30
5 107
6 265
7 553
8 1505
9 3852
10 8922
11 22477
12 56889
13 137617
14 340401
15 851098
16 2091618
17 5160851
18 12817517
19 31655009
20 78159377
21 193558964
22 478614470
23 1182673261
24 2925763109
25 7235864705
26 17887850273
27 44237338898
28 109401520982

[1,9,18,30,107,265,553,1505,3852,8922,22477,56889,
 137617,340401,851098,2091618,5160851,12817517,
 31655009,78159377,193558964,478614470,1182673261,
 2925763109,7235864705,17887850273,44237338898,
 109401520982]

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Last modified May 10 20:32 EDT 2024. Contains 372388 sequences. (Running on oeis4.)