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A136379 as a simple table

n a(n)
0 2
1 4
2 9
3 17
4 25
5 42
6 76
7 143
8 273
9 533
10 1052
11 2072
12 4122
13 8221
14 16417
15 32799 

[2,4,9,17,25,42,76,143,273,533,1052,2072,4122,
 8221,16417,32799]

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Last modified May 15 04:00 EDT 2024. Contains 372536 sequences. (Running on oeis4.)