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A159243 as a simple table

n a(n)
1 2
2 4
3 8
4 15
5 24
6 41
7 85
8 159
9 314
10 651
11 1267
12 2496
13 4977
14 9889
15 19731
16 38945
17 77356
18 154693
19 308051
20 615768
21 1229080

[2,4,8,15,24,41,85,159,314,651,1267,2496,4977,
 9889,19731,38945,77356,154693,308051,615768,
 1229080]

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Last modified August 26 03:18 EDT 2019. Contains 326324 sequences. (Running on oeis4.)