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A049870 as a simple table

n a(n)
0 1
1 2
2 4
3 6
4 11
5 20
6 38
7 71
8 133
9 248
10 463
11 864
12 1613
13 3011
14 5621
15 10493
16 19588
17 36566
18 68260
19 127425
20 237872
21 444050
22 828935
23 1547423
24 2888668
25 5392451
26 10066414
27 18791583
28 35079383
29 65484803
30 122244437
31 228201074
32 425996728

[1,2,4,6,11,20,38,71,133,248,463,864,1613,3011,
 5621,10493,19588,36566,68260,127425,237872,444050,
 828935,1547423,2888668,5392451,10066414,18791583,
 35079383,65484803,122244437,228201074,425996728]

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Last modified September 1 00:14 EDT 2024. Contains 375575 sequences. (Running on oeis4.)