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A288380 as a simple table

n a(n)
0 2
1 4
2 7
3 11
4 20
5 38
6 70
7 130
8 245
9 461
10 866
11 1630
12 3070
13 5780
14 10883
15 20495
16 38596
17 72682
18 136874
19 257762
20 485417
21 914137
22 1721506
23 3241946
24 6105242
25 11497412
26 21651967
27 40775059
28 76787732
29 144606926
30 272324270
31 512842018
32 965785885
33 1818771365
34 3425116610

[2,4,7,11,20,38,70,130,245,461,866,1630,3070,5780,
 10883,20495,38596,72682,136874,257762,485417,
 914137,1721506,3241946,6105242,11497412,21651967,
 40775059,76787732,144606926,272324270,512842018,
 965785885,1818771365,3425116610]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)