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A211205 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 56
5 480
6 5094
7 60494
8 823528
9 12365424
10 206078880
11 3745686912
12 74083090872
13 1579529362944
14 36165466533000
15 884104045301640
16 22992315801392064
17 633547543117707648
18 18439576158792912192
19 565162707747635408448
20 18194047307015185486080

[1,1,2,9,56,480,5094,60494,823528,12365424,
 206078880,3745686912,74083090872,1579529362944,
 36165466533000,884104045301640,22992315801392064,
 633547543117707648,18439576158792912192,
 565162707747635408448,18194047307015185486080]

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)