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A081558 as a simple table

n a(n)
0 1
1 2
2 5
3 14
4 44
5 152
6 575
7 2354
8 10379
9 48902
10 245240
11 1301984
12 7294589
13 42959282
14 265263185
15 1712168654
16 11528506124
17 80783015192
18 588097479635
19 4439382164114
20 34699233959759
21 280381494540182
22 2339287666524440
23 20125268756209664
24 178348602246900569

[1,2,5,14,44,152,575,2354,10379,48902,245240,
 1301984,7294589,42959282,265263185,1712168654,
 11528506124,80783015192,588097479635,
 4439382164114,34699233959759,280381494540182,
 2339287666524440,20125268756209664,
 178348602246900569]

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)