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A208988 as a simple table

n a(n)
1 1
2 2
3 5
4 16
5 59
6 253
7 1111
8 5067
9 23483
10 110772
11 529201
12 2557073
13 12471501
14 61328336
15 303723367
16 1513583006
17 7584498891
18 38192683192
19 193171464383
20 980903632155 

[1,2,5,16,59,253,1111,5067,23483,110772,529201,
 2557073,12471501,61328336,303723367,1513583006,
 7584498891,38192683192,193171464383,980903632155]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)