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A027976 as a simple table

n a(n)
0 1
1 1
2 4
3 6
4 10
5 18
6 29
7 47
8 78
9 126
10 204
11 332
12 537
13 869
14 1408
15 2278
16 3686
17 5966
18 9653
19 15619
20 25274
21 40894
22 66168
23 107064
24 173233
25 280297
26 453532
27 733830
28 1187362
29 1921194
30 3108557
31 5029751
32 8138310
33 13168062
34 21306372
35 34474436
36 55780809
37 90255245
38 146036056
39 236291302
40 382327358

[1,1,4,6,10,18,29,47,78,126,204,332,537,869,1408,
 2278,3686,5966,9653,15619,25274,40894,66168,
 107064,173233,280297,453532,733830,1187362,
 1921194,3108557,5029751,8138310,13168062,21306372,
 34474436,55780809,90255245,146036056,236291302,
 382327358]

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Last modified May 14 12:38 EDT 2024. Contains 372533 sequences. (Running on oeis4.)