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A189590 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 13
6 35
7 93
8 227
9 499
10 1185
11 2823
12 6809
13 16640
14 40117
15 96797
16 232099
17 556269
18 1338482
19 3218538
20 7747725
21 18645571
22 44845905
23 107873385
24 259405282
25 623911219
26 1500766461
27 3609839279
28 8683275206
29 20886151010
30 50237661120
31 120837419260

[1,1,2,4,13,35,93,227,499,1185,2823,6809,16640,
 40117,96797,232099,556269,1338482,3218538,7747725,
 18645571,44845905,107873385,259405282,623911219,
 1500766461,3609839279,8683275206,20886151010,
 50237661120,120837419260]

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Last modified February 3 04:25 EST 2023. Contains 360024 sequences. (Running on oeis4.)