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A203461 as a simple table

n a(n)
1 2
2 6
3 30
4 105
5 210
6 2002
7 2310
8 3003
9 5005
10 10010
11 15015
12 30030
13 46189
14 92378
15 138567
16 230945
17 323323
18 646646
19 969969
20 1616615
21 3233230
22 4849845
23 9699690
24 37182145
25 74364290
26 111546435
27 223092870
28 3234846615
29 6469693230

[2,6,30,105,210,2002,2310,3003,5005,10010,15015,
 30030,46189,92378,138567,230945,323323,646646,
 969969,1616615,3233230,4849845,9699690,37182145,
 74364290,111546435,223092870,3234846615,
 6469693230]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)