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A254821 as a simple table

n a(n)
1 2
2 6
3 13
4 26
5 48
6 80
7 141
8 250
9 432
10 811
11 1738
12 3961
13 8538
14 17025
15 34187
16 72898
17 157026
18 321779
19 617116
20 1123322
21 1990020
22 3513143
23 6331279
24 11993364
25 24225202
26 51006817
27 107771521
28 224620410
29 465541899
30 968974620
31 2010309389
32 4078213843

[2,6,13,26,48,80,141,250,432,811,1738,3961,8538,
 17025,34187,72898,157026,321779,617116,1123322,
 1990020,3513143,6331279,11993364,24225202,
 51006817,107771521,224620410,465541899,968974620,
 2010309389,4078213843]

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Last modified February 1 03:56 EST 2023. Contains 359981 sequences. (Running on oeis4.)