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A164140 as a simple table

n a(n)
0 1
1 2
2 4
3 6
4 9
5 13
6 21
7 36
8 63
9 114
10 211
11 394
12 743
13 1413
14 2699
15 5176
16 9965
17 19237
18 37221
19 72178
20 140223
21 272843
22 531675
23 1037408
24 2026537
25 3962996
26 7757437
27 15198402
28 29801165
29 58478791
30 114833209
31 225641444
32 443643111
33 872758866
34 1717846987

[1,2,4,6,9,13,21,36,63,114,211,394,743,1413,2699,
 5176,9965,19237,37221,72178,140223,272843,531675,
 1037408,2026537,3962996,7757437,15198402,29801165,
 58478791,114833209,225641444,443643111,872758866,
 1717846987]

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Last modified September 19 17:32 EDT 2020. Contains 337178 sequences. (Running on oeis4.)