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A218986 as a simple table

n a(n)
0 4
1 18
2 83
3 385
4 1788
5 8306
6 38587
7 179265
8 832820
9 3869074
10 17974755
11 83506241
12 387949228
13 1802315634
14 8373110219
15 38899387777
16 180716881764
17 839565690386
18 3900413406835
19 18120350698497
20 84182643014492
21 391091624153458
22 1816914425657307
23 8440932575089601

[4,18,83,385,1788,8306,38587,179265,832820,
 3869074,17974755,83506241,387949228,1802315634,
 8373110219,38899387777,180716881764,839565690386,
 3900413406835,18120350698497,84182643014492,
 391091624153458,1816914425657307,8440932575089601]

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