A276162 - cp's OEIS frontend

A276162 Square array read by antidiagonals: T(n,k) = Product_{i = 1..k} gcd(n, i).

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

[1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 3, 4, 1, 1, 1, 2, 3, 4, 1, 1, 2, 1, 8, 3, 8, 1, 1, 1, 6, 1, 8, 9, 8, 1, 1, 2, 1, 12, 5, 16, 9, 16, 1, 1, 1, 2, 1, 12, 5, 16, 9, 16, 1, 1, 2, 3, 8, 1, 72, 5, 64, 27, 32, 1, 1, 1, 2, 3, 8, 1, 72, 5, 64, 27, 32, 1, 1, 2, 1, 4]

cp's OEIS Frontend

A276162 Square array read by antidiagonals: T(n,k) = Product_{i = 1..k} gcd(n, i).

Table of values

List of values

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

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

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