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A097076 as a simple table

n a(n)
0 0
1 1
2 1
3 4
4 8
5 21
6 49
7 120
8 288
9 697
10 1681
11 4060
12 9800
13 23661
14 57121
15 137904
16 332928
17 803761
18 1940449
19 4684660
20 11309768
21 27304197
22 65918161
23 159140520
24 384199200
25 927538921
26 2239277041
27 5406093004
28 13051463048
29 31509019101
30 76069501249
31 183648021600

[0,1,1,4,8,21,49,120,288,697,1681,4060,9800,23661,
 57121,137904,332928,803761,1940449,4684660,
 11309768,27304197,65918161,159140520,384199200,
 927538921,2239277041,5406093004,13051463048,
 31509019101,76069501249,183648021600]

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Last modified May 20 18:46 EDT 2018. Contains 304347 sequences. (Running on oeis4.)