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A228676 as a simple table

n a(n)
9 1
10 0
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 48619
19 184754
20 335918
21 587858
22 994838
23 1634378
24 2615006
25 4085948
26 6249098
27 227873431499
28 1914096764581
29 10597168136104
30 42893468596297
31 150965696385640
32 488842369407373
33 1495597557713296
34 4389498481714495
35 12479738997128938

[1,0,0,0,0,0,0,0,0,48619,184754,335918,587858,
 994838,1634378,2615006,4085948,6249098,
 227873431499,1914096764581,10597168136104,
 42893468596297,150965696385640,488842369407373,
 1495597557713296,4389498481714495,
 12479738997128938]

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Last modified October 23 03:30 EDT 2021. Contains 348211 sequences. (Running on oeis4.)