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A161199 as a simple table

n a(n)
0 1
1 5
2 35
3 105
4 1155
5 3003
6 15015
7 36465
8 692835
9 1616615
10 7436429
11 16900975
12 152108775
13 339319575
14 1502700975
15 3305942145
16 115707975075
17 251835004575
18 1091285019825
19 2354878200675
20 20251952525805
21 43397041126725
22 185423721177825
23 395033145117975

[1,5,35,105,1155,3003,15015,36465,692835,1616615,
 7436429,16900975,152108775,339319575,1502700975,
 3305942145,115707975075,251835004575,
 1091285019825,2354878200675,20251952525805,
 43397041126725,185423721177825,395033145117975]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)