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A222151 as a simple table

n a(n)
1 2
2 4
3 8
4 15
5 27
6 47
7 80
8 134
9 222
10 365
11 597
12 973
13 1581
14 2565
15 4158
16 6737
17 10912
18 17670
19 28608
20 46310
21 74957
22 121314
23 196327
24 317707
25 514111
26 831906
27 1346115
28 2178130
29 3524368
30 5702639
31 9227171
32 14930003
33 24157403
34 39087679
35 63245408
36 102333476

[2,4,8,15,27,47,80,134,222,365,597,973,1581,2565,
 4158,6737,10912,17670,28608,46310,74957,121314,
 196327,317707,514111,831906,1346115,2178130,
 3524368,5702639,9227171,14930003,24157403,
 39087679,63245408,102333476]

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Last modified December 1 20:41 EST 2021. Contains 349435 sequences. (Running on oeis4.)