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A319503 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 0
5 1
6 2
7 6
8 16
9 43
10 117
11 305
12 769
13 1907
14 4686
15 11587
16 28580
17 70451
18 172880
19 423629
20 1036332
21 2533559
22 6186635
23 15092985
24 36784586
25 89590410
26 218069921
27 530551804
28 1290218120
29 3136385254
30 7621522229
31 18515039477
32 44966884766
33 109184448962

[1,1,0,0,0,1,2,6,16,43,117,305,769,1907,4686,
 11587,28580,70451,172880,423629,1036332,2533559,
 6186635,15092985,36784586,89590410,218069921,
 530551804,1290218120,3136385254,7621522229,
 18515039477,44966884766,109184448962]

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Last modified June 1 11:18 EDT 2024. Contains 373016 sequences. (Running on oeis4.)