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A041993 as a simple table

n a(n)
0 1
1 1
2 4
3 5
4 9
5 23
6 32
7 87
8 293
9 2138
10 6707
11 15552
12 22259
13 60070
14 82329
15 142399
16 509526
17 651925
18 29194226
19 29846151
20 118732679
21 148578830
22 267311509
23 683201848
24 950513357
25 2584228562
26 8703199043
27 63506621863
28 199223064632
29 461952751127
30 661175815759

[1,1,4,5,9,23,32,87,293,2138,6707,15552,22259,
 60070,82329,142399,509526,651925,29194226,
 29846151,118732679,148578830,267311509,683201848,
 950513357,2584228562,8703199043,63506621863,
 199223064632,461952751127,661175815759]

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Last modified September 22 22:13 EDT 2021. Contains 347608 sequences. (Running on oeis4.)