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A099018 as a simple table

n a(n)
0 1
1 4
2 10
3 22
4 46
5 94
6 190
7 382
8 766
9 1534
10 3070
11 6142
12 12286
13 24574
14 49150
15 98302
16 196606
17 393214
18 786430
19 1572862
20 3145726
21 6291454
22 12582910
23 25165822

[1,4,10,22,46,94,190,382,766,1534,3070,6142,12286,
 24574,49150,98302,196606,393214,786430,1572862,
 3145726,6291454,12582910,25165822]

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Last modified August 29 09:35 EDT 2024. Contains 375511 sequences. (Running on oeis4.)