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A111666 as a simple table

n a(n)
0 2
1 3
2 4
3 5
4 10
5 27
6 68
7 173
8 450
9 1179
10 3084
11 8069
12 21122
13 55299
14 144772
15 379013
16 992266
17 2597787
18 6801092
19 17805485
20 46615362
21 122040603
22 319506444
23 836478725
24 2189929730
25 5733310467
26 15010001668
27 39296694533
28 102880081930

[2,3,4,5,10,27,68,173,450,1179,3084,8069,21122,
 55299,144772,379013,992266,2597787,6801092,
 17805485,46615362,122040603,319506444,836478725,
 2189929730,5733310467,15010001668,39296694533,
 102880081930]

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Last modified December 9 03:54 EST 2022. Contains 358698 sequences. (Running on oeis4.)