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A036644 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 5
8 19
9 61
10 180
11 498
12 1318
13 3376
14 8433
15 20659
16 49802
17 118506
18 278857
19 650072
20 1503003
21 3450424
22 7870894
23 17854238
24 40295522
25 90531067
26 202552028
27 451479327
28 1002843896
29 2220473234
30 4902040602
31 10792481396

[0,0,0,0,0,0,1,5,19,61,180,498,1318,3376,8433,
 20659,49802,118506,278857,650072,1503003,3450424,
 7870894,17854238,40295522,90531067,202552028,
 451479327,1002843896,2220473234,4902040602,
 10792481396]

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Last modified April 18 12:53 EDT 2024. Contains 371780 sequences. (Running on oeis4.)