A128623 - cp's OEIS frontend

A128623 Triangle read by rows: A128621 * A000012 as infinite lower triangular matrices.

n	a(n)
1	1
2	2
3	2
4	6
5	3
6	3
7	8
8	8
9	4
10	4
11	15
12	10
13	10
14	5
15	5
16	18
17	18
18	12
19	12
20	6
21	6
22	28
23	21
24	21
25	14
26	14
27	7
28	7
29	32
30	32
31	24
32	24
33	16
34	16
35	8
36	8
37	45
38	36
39	36
40	27
41	27
42	18
43	18
44	9
45	9
46	50
47	50
48	40
49	40
50	30
51	30
52	20
53	20
54	10
55	10
56	66
57	55
58	55
59	44
60	44
61	33
62	33
63	22
64	22
65	11
66	11
67	72
68	72
69	60
70	60
71	48
72	48
73	36
74	36
75	24
76	24
77	12
78	12
79	91
80	78
81	78
82	65
83	65
84	52
85	52
86	39
87	39
88	26
89	26
90	13
91	13

[1, 2, 2, 6, 3, 3, 8, 8, 4, 4, 15, 10, 10, 5, 5, 18, 18, 12, 12, 6, 6, 28, 21, 21, 14, 14, 7, 7, 32, 32, 24, 24, 16, 16, 8, 8, 45, 36, 36, 27, 27, 18, 18, 9, 9, 50, 50, 40, 40, 30, 30, 20, 20, 10, 10, 66, 55, 55, 44, 44, 33, 33, 22, 22, 11, 11, 72, 72, 60, 60, 48, 48, 36, 36, 24, 24, 12, 12, 91, 78, 78, 65, 65, 52, 52, 39, 39, 26, 26, 13, 13]

cp's OEIS Frontend

A128623 Triangle read by rows: A128621 * A000012 as infinite lower triangular matrices.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	6
5	3
6	3
7	8
8	8
9	4
10	4
11	15
12	10
13	10
14	5
15	5
16	18
17	18
18	12
19	12
20	6
21	6
22	28
23	21
24	21
25	14
26	14
27	7
28	7
29	32
30	32
31	24
32	24
33	16
34	16
35	8
36	8
37	45
38	36
39	36
40	27
41	27
42	18
43	18
44	9
45	9
46	50
47	50
48	40
49	40
50	30
51	30
52	20
53	20
54	10
55	10
56	66
57	55
58	55
59	44
60	44
61	33
62	33
63	22
64	22
65	11
66	11
67	72
68	72
69	60
70	60
71	48
72	48
73	36
74	36
75	24
76	24
77	12
78	12
79	91
80	78
81	78
82	65
83	65
84	52
85	52
86	39
87	39
88	26
89	26
90	13
91	13

n	a(n)
1	1
2	2
3	2
4	6
5	3
6	3
7	8
8	8
9	4
10	4
11	15
12	10
13	10
14	5
15	5
16	18
17	18
18	12
19	12
20	6
21	6
22	28
23	21
24	21
25	14
26	14
27	7
28	7
29	32
30	32
31	24
32	24
33	16
34	16
35	8
36	8
37	45
38	36
39	36
40	27
41	27
42	18
43	18
44	9
45	9
46	50
47	50
48	40
49	40
50	30
51	30
52	20
53	20
54	10
55	10
56	66
57	55
58	55
59	44
60	44
61	33
62	33
63	22
64	22
65	11
66	11
67	72
68	72
69	60
70	60
71	48
72	48
73	36
74	36
75	24
76	24
77	12
78	12
79	91
80	78
81	78
82	65
83	65
84	52
85	52
86	39
87	39
88	26
89	26
90	13
91	13

n	a(n)
1	1
2	2
3	2
4	6
5	3
6	3
7	8
8	8
9	4
10	4
11	15
12	10
13	10
14	5
15	5
16	18
17	18
18	12
19	12
20	6
21	6
22	28
23	21
24	21
25	14
26	14
27	7
28	7
29	32
30	32
31	24
32	24
33	16
34	16
35	8
36	8
37	45
38	36
39	36
40	27
41	27
42	18
43	18
44	9
45	9
46	50
47	50
48	40
49	40
50	30
51	30
52	20
53	20
54	10
55	10
56	66
57	55
58	55
59	44
60	44
61	33
62	33
63	22
64	22
65	11
66	11
67	72
68	72
69	60
70	60
71	48
72	48
73	36
74	36
75	24
76	24
77	12
78	12
79	91
80	78
81	78
82	65
83	65
84	52
85	52
86	39
87	39
88	26
89	26
90	13
91	13