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A289000 as a simple table

n a(n)
0 2
1 4
2 7
3 12
4 20
5 34
6 58
7 99
8 169
9 288
10 491
11 837
12 1428
13 2437
14 4159
15 7099
16 12118
17 20686
18 35312
19 60280
20 102903
21 175665
22 299877
23 511920
24 873900
25 1491838
26 2546724
27 4347527
28 7421690
29 12669614
30 21628381
31 36921953
32 63029713
33 107598447
34 183682035
35 313564844
36 535288668

[2,4,7,12,20,34,58,99,169,288,491,837,1428,2437,
 4159,7099,12118,20686,35312,60280,102903,175665,
 299877,511920,873900,1491838,2546724,4347527,
 7421690,12669614,21628381,36921953,63029713,
 107598447,183682035,313564844,535288668]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)