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A291247 as a simple table

n a(n)
0 1
1 2
2 5
3 10
4 24
5 49
6 112
7 238
8 526
9 1142
10 2491
11 5442
12 11842
13 25873
14 56344
15 122975
16 268042
17 584633
18 1274820
19 2779895
20 6062306
21 13219186
22 28827703
23 62861754
24 137082358
25 298927682
26 651861824
27 1421488867
28 3099781932
29 6759580078
30 14740333285
31 32143687954

[1,2,5,10,24,49,112,238,526,1142,2491,5442,11842,
 25873,56344,122975,268042,584633,1274820,2779895,
 6062306,13219186,28827703,62861754,137082358,
 298927682,651861824,1421488867,3099781932,
 6759580078,14740333285,32143687954]

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Last modified July 17 08:42 EDT 2019. Contains 325098 sequences. (Running on oeis4.)