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A208818 as a simple table

n a(n)
1 1
2 2
3 2
4 5
5 7
6 18
7 32
8 84
9 185
10 486
11 1192
12 3179
13 8261
14 22290
15 59788
16 163181
17 445699
18 1228686
19 3396224
20 9440759
21 26322371
22 73680058
23 206822134
24 582308320
25 1643573625
26 4650401810
27 13186590962
28 37469003353

[1,2,2,5,7,18,32,84,185,486,1192,3179,8261,22290,
 59788,163181,445699,1228686,3396224,9440759,
 26322371,73680058,206822134,582308320,1643573625,
 4650401810,13186590962,37469003353]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)