A035077 - OEIS

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A035077 as a simple table

n	a(n)
0	1
1	6
2	15
3	70
4	105
5	2310
6	5005
7	30030
8	255255
9	3233230
10	969969
11	44618574
12	37182145
13	223092870
14	3234846615
15	66853496710
16	100280245065
17	200560490130
18	1236789689135
19	7420738134810
20	30425026352721

[1,6,15,70,105,2310,5005,30030,255255,3233230, 969969,44618574,37182145,223092870,3234846615, 66853496710,100280245065,200560490130, 1236789689135,7420738134810,30425026352721]