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A005908 as a simple table

n a(n)
0 0
1 1
2 1
3 2
4 4
5 9
6 20
7 46
8 106
9 245
10 567
11 1313
12 3041
13 7044
14 16317
15 37798
16 87559
17 202831
18 469860
19 1088436
20 2521375
21 5840796
22 13530276
23 31343052
24 72606569
25 168194019
26 389623535
27 902567761
28 2090809436
29 4843386045

[0,1,1,2,4,9,20,46,106,245,567,1313,3041,7044,
 16317,37798,87559,202831,469860,1088436,2521375,
 5840796,13530276,31343052,72606569,168194019,
 389623535,902567761,2090809436,4843386045]

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Last modified April 16 03:28 EDT 2024. Contains 371696 sequences. (Running on oeis4.)