A297882 - OEIS

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A297882 as a simple table

n	a(n)
1	1
2	7
3	20
4	36
5	114
6	253
7	433
8	734
9	1037
10	1882
11	2897
12	4474
13	4556
14	9490
15	7864
16	13478
17	31282
18	20470
19	123291
20	55794
21	102050
22	328168
23	112445

[1,7,20,36,114,253,433,734,1037,1882,2897,4474, 4556,9490,7864,13478,31282,20470,123291,55794, 102050,328168,112445]