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A291889 as a simple table

n a(n)
5 1
6 5
7 29
8 127
9 540
10 2117
11 8063
12 29688
13 107237
14 380549
15 1333709
16 4624308
17 15899625
18 54278502
19 184209808
20 622029353
21 2091461574
22 7006165827
23 23394683289
24 77899483723
25 258750654760
26 857596024194
27 2836911700038
28 9368339478043
29 30889646001696
30 101710568454396

[1,5,29,127,540,2117,8063,29688,107237,380549,
 1333709,4624308,15899625,54278502,184209808,
 622029353,2091461574,7006165827,23394683289,
 77899483723,258750654760,857596024194,
 2836911700038,9368339478043,30889646001696,
 101710568454396]

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Last modified May 26 10:56 EDT 2024. Contains 372824 sequences. (Running on oeis4.)