A333295 - cp's OEIS frontend

A333295 Triangle read by rows: T(m,n) = Sum_{1 <= i <= m, 1 <= j <= n, gcd{i,j}=1} 1, where m >= n >= 1.

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

[1, 2, 3, 3, 5, 7, 4, 6, 9, 11, 5, 8, 12, 15, 19, 6, 9, 13, 16, 21, 23, 7, 11, 16, 20, 26, 29, 35, 8, 12, 18, 22, 29, 32, 39, 43, 9, 14, 20, 25, 33, 36, 44, 49, 55, 10, 15, 22, 27, 35, 38, 47, 52, 59, 63, 11, 17, 25, 31, 40, 44, 54, 60, 68, 73, 83, 12, 18, 26, 32, 42, 46, 57, 63, 71, 76, 87, 91]

cp's OEIS Frontend

A333295 Triangle read by rows: T(m,n) = Sum_{1 <= i <= m, 1 <= j <= n, gcd{i,j}=1} 1, where m >= n >= 1.

Table of values

List of values

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

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

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