A354266 - cp's OEIS frontend

A354266 Pairs of integers (s, t) such that 0 < s < t and gcd(s, t) > 1, where the pairs are generated by the boustrophedonic Cantor enumeration A319571.

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

[2, 4, 2, 6, 3, 6, 2, 8, 4, 6, 2, 10, 3, 9, 4, 8, 2, 12, 4, 10, 6, 8, 3, 12, 5, 10, 6, 9, 2, 14, 4, 12, 6, 10, 2, 16, 3, 15, 4, 14, 6, 12, 8, 10, 2, 18, 4, 16, 5, 15, 6, 14, 8, 12, 3, 18, 6, 15, 7, 14, 9, 12, 2, 20, 4, 18, 6, 16, 8, 14, 10, 12, 2, 22, 3, 21]

cp's OEIS Frontend

A354266 Pairs of integers (s, t) such that 0 < s < t and gcd(s, t) > 1, where the pairs are generated by the boustrophedonic Cantor enumeration A319571.

Table of values

List of values

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

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

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