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A211755 as a simple table

n a(n)
1 48
2 330
3 1836
4 8280
5 32740
6 120728
7 427390
8 1483442
9 5092432
10 17465996
11 59892736
12 206614336
13 715176178
14 2495327868
15 8742073364
16 30872946806
17 109440726728
18 390821924176
19 1400125471630
20 5048928185428
21 18254562891404
22 66379155129368 

[48,330,1836,8280,32740,120728,427390,1483442,
 5092432,17465996,59892736,206614336,715176178,
 2495327868,8742073364,30872946806,109440726728,
 390821924176,1400125471630,5048928185428,
 18254562891404,66379155129368]

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Last modified July 9 07:13 EDT 2024. Contains 374172 sequences. (Running on oeis4.)