A181552 - cp's OEIS frontend

A181552 T(n,k) = gcd(n,k) A181549(k), triangle read by rows.

n	a(n)
1	1
2	1
3	6
4	1
5	3
6	12
7	1
8	6
9	4
10	20
11	1
12	3
13	4
14	5
15	30
16	1
17	6
18	12
19	10
20	6
21	72
22	1
23	3
24	4
25	5
26	6
27	12
28	56
29	1
30	6
31	4
32	20
33	6
34	24
35	8
36	80
37	1
38	3
39	12
40	5
41	6
42	36
43	8
44	10
45	99
46	1
47	6
48	4
49	10
50	30
51	24
52	8
53	20
54	11
55	180
56	1
57	3
58	4
59	5
60	6
61	12
62	8
63	10
64	11
65	18
66	132
67	1
68	6
69	12
70	20
71	6
72	72
73	8
74	40
75	33
76	36
77	12
78	240

[1, 1, 6, 1, 3, 12, 1, 6, 4, 20, 1, 3, 4, 5, 30, 1, 6, 12, 10, 6, 72, 1, 3, 4, 5, 6, 12, 56, 1, 6, 4, 20, 6, 24, 8, 80, 1, 3, 12, 5, 6, 36, 8, 10, 99, 1, 6, 4, 10, 30, 24, 8, 20, 11, 180, 1, 3, 4, 5, 6, 12, 8, 10, 11, 18, 132, 1, 6, 12, 20, 6, 72, 8, 40, 33, 36, 12, 240]

cp's OEIS Frontend

A181552 T(n,k) = gcd(n,k) A181549(k), triangle read by rows.

Table of values

List of values

n	a(n)
1	1
2	1
3	6
4	1
5	3
6	12
7	1
8	6
9	4
10	20
11	1
12	3
13	4
14	5
15	30
16	1
17	6
18	12
19	10
20	6
21	72
22	1
23	3
24	4
25	5
26	6
27	12
28	56
29	1
30	6
31	4
32	20
33	6
34	24
35	8
36	80
37	1
38	3
39	12
40	5
41	6
42	36
43	8
44	10
45	99
46	1
47	6
48	4
49	10
50	30
51	24
52	8
53	20
54	11
55	180
56	1
57	3
58	4
59	5
60	6
61	12
62	8
63	10
64	11
65	18
66	132
67	1
68	6
69	12
70	20
71	6
72	72
73	8
74	40
75	33
76	36
77	12
78	240

n	a(n)
1	1
2	1
3	6
4	1
5	3
6	12
7	1
8	6
9	4
10	20
11	1
12	3
13	4
14	5
15	30
16	1
17	6
18	12
19	10
20	6
21	72
22	1
23	3
24	4
25	5
26	6
27	12
28	56
29	1
30	6
31	4
32	20
33	6
34	24
35	8
36	80
37	1
38	3
39	12
40	5
41	6
42	36
43	8
44	10
45	99
46	1
47	6
48	4
49	10
50	30
51	24
52	8
53	20
54	11
55	180
56	1
57	3
58	4
59	5
60	6
61	12
62	8
63	10
64	11
65	18
66	132
67	1
68	6
69	12
70	20
71	6
72	72
73	8
74	40
75	33
76	36
77	12
78	240

n	a(n)
1	1
2	1
3	6
4	1
5	3
6	12
7	1
8	6
9	4
10	20
11	1
12	3
13	4
14	5
15	30
16	1
17	6
18	12
19	10
20	6
21	72
22	1
23	3
24	4
25	5
26	6
27	12
28	56
29	1
30	6
31	4
32	20
33	6
34	24
35	8
36	80
37	1
38	3
39	12
40	5
41	6
42	36
43	8
44	10
45	99
46	1
47	6
48	4
49	10
50	30
51	24
52	8
53	20
54	11
55	180
56	1
57	3
58	4
59	5
60	6
61	12
62	8
63	10
64	11
65	18
66	132
67	1
68	6
69	12
70	20
71	6
72	72
73	8
74	40
75	33
76	36
77	12
78	240