A262972 - OEIS

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A262972 as a simple table

n	a(n)
1	1
2	3
3	6
4	7
5	10
6	15
7	30
8	34
9	54
10	58
11	103
12	105
13	205
14	223
15	279
16	741
17	2098
18	3523
19	9210
20	37674
21	89895
22	101509
23	217123

[1,3,6,7,10,15,30,34,54,58,103,105,205,223,279, 741,2098,3523,9210,37674,89895,101509,217123]