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A109139 as a simple table

n a(n)
0 1
1 2
2 5
3 12
4 53
5 118
6 525
7 1168
8 5197
9 32350
10 69897
11 451732
12 1876825
13 4205382
14 18698353
15 116395500
16 717071353
17 1550538206
18 10020300589
19 41631740562
20 93283781713
21 601334430840
22 2498621505073
23 15593063461278
24 127243129195297

[1,2,5,12,53,118,525,1168,5197,32350,69897,451732,
 1876825,4205382,18698353,116395500,717071353,
 1550538206,10020300589,41631740562,93283781713,
 601334430840,2498621505073,15593063461278,
 127243129195297]

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Last modified June 17 14:24 EDT 2021. Contains 345083 sequences. (Running on oeis4.)