A187883 - cp's OEIS frontend

A187883 Triangle by rows, A003983 * A000012 as infinite lower triangular matrices.

n	a(n)
1	1
2	2
3	1
4	4
5	3
6	1
7	6
8	5
9	3
10	1
11	9
12	8
13	6
14	3
15	1
16	12
17	11
18	9
19	6
20	3
21	1
22	16
23	15
24	13
25	10
26	6
27	3
28	1
29	20
30	19
31	17
32	14
33	10
34	6
35	3
36	1
37	25
38	24
39	22
40	19
41	15
42	10
43	6
44	3
45	1
46	30
47	29
48	27
49	24
50	20
51	15
52	10
53	6
54	3
55	1
56	36
57	35
58	33
59	30
60	26
61	21
62	15
63	10
64	6
65	3
66	1

[1, 2, 1, 4, 3, 1, 6, 5, 3, 1, 9, 8, 6, 3, 1, 12, 11, 9, 6, 3, 1, 16, 15, 13, 10, 6, 3, 1, 20, 19, 17, 14, 10, 6, 3, 1, 25, 24, 22, 19, 15, 10, 6, 3, 1, 30, 29, 27, 24, 20, 15, 10, 6, 3, 1, 36, 35, 33, 30, 26, 21, 15, 10, 6, 3, 1]

cp's OEIS Frontend

A187883 Triangle by rows, A003983 * A000012 as infinite lower triangular matrices.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	4
5	3
6	1
7	6
8	5
9	3
10	1
11	9
12	8
13	6
14	3
15	1
16	12
17	11
18	9
19	6
20	3
21	1
22	16
23	15
24	13
25	10
26	6
27	3
28	1
29	20
30	19
31	17
32	14
33	10
34	6
35	3
36	1
37	25
38	24
39	22
40	19
41	15
42	10
43	6
44	3
45	1
46	30
47	29
48	27
49	24
50	20
51	15
52	10
53	6
54	3
55	1
56	36
57	35
58	33
59	30
60	26
61	21
62	15
63	10
64	6
65	3
66	1

n	a(n)
1	1
2	2
3	1
4	4
5	3
6	1
7	6
8	5
9	3
10	1
11	9
12	8
13	6
14	3
15	1
16	12
17	11
18	9
19	6
20	3
21	1
22	16
23	15
24	13
25	10
26	6
27	3
28	1
29	20
30	19
31	17
32	14
33	10
34	6
35	3
36	1
37	25
38	24
39	22
40	19
41	15
42	10
43	6
44	3
45	1
46	30
47	29
48	27
49	24
50	20
51	15
52	10
53	6
54	3
55	1
56	36
57	35
58	33
59	30
60	26
61	21
62	15
63	10
64	6
65	3
66	1

n	a(n)
1	1
2	2
3	1
4	4
5	3
6	1
7	6
8	5
9	3
10	1
11	9
12	8
13	6
14	3
15	1
16	12
17	11
18	9
19	6
20	3
21	1
22	16
23	15
24	13
25	10
26	6
27	3
28	1
29	20
30	19
31	17
32	14
33	10
34	6
35	3
36	1
37	25
38	24
39	22
40	19
41	15
42	10
43	6
44	3
45	1
46	30
47	29
48	27
49	24
50	20
51	15
52	10
53	6
54	3
55	1
56	36
57	35
58	33
59	30
60	26
61	21
62	15
63	10
64	6
65	3
66	1