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A018079 as a simple table

n a(n)
0 1
1 2
2 3
3 6
4 12
5 22
6 42
7 77
8 144
9 268
10 499
11 928
12 1728
13 3216
14 5986
15 11141
16 20736
17 38594
18 71832
19 133694
20 248832
21 463129
22 861979
23 1604324
24 2985984
25 5557542
26 10343752
27 19251892
28 35831808
29 66690509
30 124125024

[1,2,3,6,12,22,42,77,144,268,499,928,1728,3216,
 5986,11141,20736,38594,71832,133694,248832,463129,
 861979,1604324,2985984,5557542,10343752,19251892,
 35831808,66690509,124125024]

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Last modified March 28 03:28 EDT 2024. Contains 371235 sequences. (Running on oeis4.)