A341315 - cp's OEIS frontend

A341315 Triangle read by rows: T(n,k) = (n+k)/gcd(n,k), n>=0, 0<=k<=n.

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	5
9	2
10	1
11	5
12	3
13	7
14	2
15	1
16	6
17	7
18	8
19	9
20	2
21	1
22	7
23	4
24	3
25	5
26	11
27	2
28	1
29	8
30	9
31	10
32	11
33	12
34	13
35	2
36	1
37	9
38	5
39	11
40	3
41	13
42	7
43	15
44	2
45	1
46	10
47	11
48	4
49	13
50	14
51	5
52	16
53	17
54	2
55	1
56	11
57	6
58	13
59	7
60	3
61	8
62	17
63	9
64	19
65	2
66	1
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	2
78	1
79	13
80	7
81	5
82	4
83	17
84	3
85	19
86	5
87	7
88	11
89	23
90	2

[0, 1, 2, 1, 3, 2, 1, 4, 5, 2, 1, 5, 3, 7, 2, 1, 6, 7, 8, 9, 2, 1, 7, 4, 3, 5, 11, 2, 1, 8, 9, 10, 11, 12, 13, 2, 1, 9, 5, 11, 3, 13, 7, 15, 2, 1, 10, 11, 4, 13, 14, 5, 16, 17, 2, 1, 11, 6, 13, 7, 3, 8, 17, 9, 19, 2, 1, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 2, 1, 13, 7, 5, 4, 17, 3, 19, 5, 7, 11, 23, 2]

cp's OEIS Frontend

A341315 Triangle read by rows: T(n,k) = (n+k)/gcd(n,k), n>=0, 0<=k<=n.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	5
9	2
10	1
11	5
12	3
13	7
14	2
15	1
16	6
17	7
18	8
19	9
20	2
21	1
22	7
23	4
24	3
25	5
26	11
27	2
28	1
29	8
30	9
31	10
32	11
33	12
34	13
35	2
36	1
37	9
38	5
39	11
40	3
41	13
42	7
43	15
44	2
45	1
46	10
47	11
48	4
49	13
50	14
51	5
52	16
53	17
54	2
55	1
56	11
57	6
58	13
59	7
60	3
61	8
62	17
63	9
64	19
65	2
66	1
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	2
78	1
79	13
80	7
81	5
82	4
83	17
84	3
85	19
86	5
87	7
88	11
89	23
90	2

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	5
9	2
10	1
11	5
12	3
13	7
14	2
15	1
16	6
17	7
18	8
19	9
20	2
21	1
22	7
23	4
24	3
25	5
26	11
27	2
28	1
29	8
30	9
31	10
32	11
33	12
34	13
35	2
36	1
37	9
38	5
39	11
40	3
41	13
42	7
43	15
44	2
45	1
46	10
47	11
48	4
49	13
50	14
51	5
52	16
53	17
54	2
55	1
56	11
57	6
58	13
59	7
60	3
61	8
62	17
63	9
64	19
65	2
66	1
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	2
78	1
79	13
80	7
81	5
82	4
83	17
84	3
85	19
86	5
87	7
88	11
89	23
90	2

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	2
6	1
7	4
8	5
9	2
10	1
11	5
12	3
13	7
14	2
15	1
16	6
17	7
18	8
19	9
20	2
21	1
22	7
23	4
24	3
25	5
26	11
27	2
28	1
29	8
30	9
31	10
32	11
33	12
34	13
35	2
36	1
37	9
38	5
39	11
40	3
41	13
42	7
43	15
44	2
45	1
46	10
47	11
48	4
49	13
50	14
51	5
52	16
53	17
54	2
55	1
56	11
57	6
58	13
59	7
60	3
61	8
62	17
63	9
64	19
65	2
66	1
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	2
78	1
79	13
80	7
81	5
82	4
83	17
84	3
85	19
86	5
87	7
88	11
89	23
90	2