A003872 - OEIS

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A003872 as a simple table

n	a(n)
1	1
2	1
3	7
4	7
5	14
6	14
7	20
8	20
9	21
10	21
11	28
12	28
13	35
14	35
15	42
16	56
17	56
18	64
19	64
20	70
21	70
22	90

[1,1,7,7,14,14,20,20,21,21,28,28,35,35,42,56,56, 64,64,70,70,90]

n	a(n)
1	1
2	1
3	7
4	7
5	14
6	14
7	20
8	20
9	21
10	21
11	28
12	28
13	35
14	35
15	42
16	56
17	56
18	64
19	64
20	70
21	70
22	90

n	a(n)
1	1
2	1
3	7
4	7
5	14
6	14
7	20
8	20
9	21
10	21
11	28
12	28
13	35
14	35
15	42
16	56
17	56
18	64
19	64
20	70
21	70
22	90

n	a(n)
1	1
2	1
3	7
4	7
5	14
6	14
7	20
8	20
9	21
10	21
11	28
12	28
13	35
14	35
15	42
16	56
17	56
18	64
19	64
20	70
21	70
22	90