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A169796 as a simple table

n a(n)
0 1
1 9
2 54
3 264
4 1134
5 4446
6 16272
7 56412
8 187137
9 598417
10 1854882
11 5597172
12 16498632
13 47638512
14 135048672
15 376592064
16 1034663040
17 2804590080
18 7509232640
19 19880294400
20 52088352768
21 135173578752
22 347680161792
23 886900948992
24 2245014454272
25 5641949085696

[1,9,54,264,1134,4446,16272,56412,187137,598417,
 1854882,5597172,16498632,47638512,135048672,
 376592064,1034663040,2804590080,7509232640,
 19880294400,52088352768,135173578752,347680161792,
 886900948992,2245014454272,5641949085696]

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Last modified May 13 16:16 EDT 2024. Contains 372522 sequences. (Running on oeis4.)