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A036638 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 6
9 26
10 94
11 308
12 935
13 2703
14 7524
15 20375
16 53969
17 140527
18 360733
19 915299
20 2299430
21 5728098
22 14164216
23 34799522
24 85007869
25 206595478
26 499774485
27 1203951992
28 2889243181
29 6909371375
30 16469937376
31 39142669201
32 92769809724

[0,0,0,0,0,0,0,1,6,26,94,308,935,2703,7524,20375,
 53969,140527,360733,915299,2299430,5728098,
 14164216,34799522,85007869,206595478,499774485,
 1203951992,2889243181,6909371375,16469937376,
 39142669201,92769809724]

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Last modified October 31 02:14 EDT 2014. Contains 248845 sequences.