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A036643 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 4
7 13
8 36
9 93
10 225
11 524
12 1179
13 2596
14 5597
15 11893
16 24915
17 51649
18 105981
19 215731
20 435761
21 874620
22 1744890
23 3463013
24 6839211
25 13448100
26 26334344
27 51374820
28 99868542
29 193493456
30 373705537
31 719606064
32 1381698784
33 2645695793

[0,0,0,0,0,1,4,13,36,93,225,524,1179,2596,5597,
 11893,24915,51649,105981,215731,435761,874620,
 1744890,3463013,6839211,13448100,26334344,
 51374820,99868542,193493456,373705537,719606064,
 1381698784,2645695793]

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Last modified May 22 09:50 EDT 2022. Contains 353949 sequences. (Running on oeis4.)