A379232 - OEIS

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A379232 as a simple table

n	a(n)
1	6
2	15
3	35
4	77
5	646
6	1334
7	2294
8	5681
9	6293
10	78793
11	600677
12	2255002
13	2482402
14	4564166
15	8702275
16	16798717
17	17747807
18	22197526
19	236981285
20	302764377
21	1287983157
22	2111098886
23	2295003595

[6,15,35,77,646,1334,2294,5681,6293,78793,600677, 2255002,2482402,4564166,8702275,16798717,17747807, 22197526,236981285,302764377,1287983157, 2111098886,2295003595]