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A369803 as a simple table

n a(n)
0 1
1 0
2 1
3 5
4 16
5 45
6 126
7 361
8 1046
9 3032
10 8771
11 25348
12 73252
13 211724
14 612009
15 1769080
16 5113647
17 14781237
18 42725841
19 123501151
20 356986401
21 1031887518
22 2982723523
23 8621714049
24 24921502864
25 72036871920
26 208226244217
27 601888555723
28 1739789499591
29 5028950081882

[1,0,1,5,16,45,126,361,1046,3032,8771,25348,73252,
 211724,612009,1769080,5113647,14781237,42725841,
 123501151,356986401,1031887518,2982723523,
 8621714049,24921502864,72036871920,208226244217,
 601888555723,1739789499591,5028950081882]

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Last modified May 21 13:22 EDT 2024. Contains 372736 sequences. (Running on oeis4.)