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A255427 as a simple table

n a(n)
1 3
2 15
3 105
4 35
5 385
6 5005
7 15015
8 255255
9 4849845
10 1616615
11 37182145
12 37182145
13 22309287
14 646969323
15 20056049013
16 33426748355
17 33426748355
18 1236789689135
19 1236789689135
20 50708377254535
21 2180460221945005
22 2180460221945005
23 102481630431415235

[3,15,105,35,385,5005,15015,255255,4849845,
 1616615,37182145,37182145,22309287,646969323,
 20056049013,33426748355,33426748355,1236789689135,
 1236789689135,50708377254535,2180460221945005,
 2180460221945005,102481630431415235]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)