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A173800 as a simple table

n a(n)
1 1
2 4
3 13
4 10
5 40
6 121
7 28
8 91
9 364
10 1093
11 82
12 328
13 820
14 3280
15 757
16 9841
17 244
18 7381
19 29524
20 88573
21 730
22 949
23 2920
24 6643
25 9490
26 20440
27 26572
28 66430
29 265720
30 797161
31 2188
32 597871
33 2391484
34 59293
35 551881
36 7174453
37 6562
38 26248
39 65620
40 253216

[1,4,13,10,40,121,28,91,364,1093,82,328,820,3280,
 757,9841,244,7381,29524,88573,730,949,2920,6643,
 9490,20440,26572,66430,265720,797161,2188,597871,
 2391484,59293,551881,7174453,6562,26248,65620,
 253216]

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Last modified June 26 10:53 EDT 2022. Contains 354881 sequences. (Running on oeis4.)