A085578 - cp's OEIS frontend

A085578 Array read by antidiagonals: T(m,n) is the number of distinct products ij with 1<=i<=m, i<=j<=n, for m>=1, n>=1.

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

[1, 2, 2, 3, 3, 3, 4, 5, 5, 4, 5, 6, 6, 6, 5, 6, 8, 8, 8, 8, 6, 7, 9, 11, 9, 11, 9, 7, 8, 11, 12, 13, 13, 12, 11, 8, 9, 12, 15, 15, 14, 15, 15, 12, 9, 10, 14, 17, 19, 17, 17, 19, 17, 14, 10, 11, 15, 18, 20, 22, 18, 22, 20, 18, 15, 11, 12, 17, 20, 22, 24, 24, 24, 24, 22, 20, 17, 12, 13, 18, 23, 24, 27, 27, 25, 27, 27, 24, 23, 18, 13]

cp's OEIS Frontend

A085578 Array read by antidiagonals: T(m,n) is the number of distinct products ij with 1<=i<=m, i<=j<=n, for m>=1, n>=1.

Table of values

List of values

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

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

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