A143656 - cp's OEIS frontend

A143656 Triangle T(n, k) = A045545(k) if gcd(n,k) = 1, 0 otherwise, read by rows.

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	1
13	2
14	3
15	0
16	1
17	0
18	0
19	0
20	7
21	0
22	1
23	1
24	2
25	3
26	7
27	8
28	0
29	1
30	0
31	2
32	0
33	7
34	0
35	22
36	0
37	1
38	1
39	0
40	3
41	7
42	0
43	22
44	32
45	0
46	1
47	0
48	2
49	0
50	0
51	0
52	22
53	0
54	66
55	0
56	1
57	1
58	2
59	3
60	7
61	8
62	22
63	32
64	66
65	91
66	0
67	1
68	0
69	0
70	0
71	7
72	0
73	22
74	0
75	0
76	0
77	233
78	0
79	1
80	1
81	2
82	3
83	7
84	8
85	22
86	32
87	66
88	91
89	233
90	263
91	0

[1, 1, 0, 1, 1, 0, 1, 0, 2, 0, 1, 1, 2, 3, 0, 1, 0, 0, 0, 7, 0, 1, 1, 2, 3, 7, 8, 0, 1, 0, 2, 0, 7, 0, 22, 0, 1, 1, 0, 3, 7, 0, 22, 32, 0, 1, 0, 2, 0, 0, 0, 22, 0, 66, 0, 1, 1, 2, 3, 7, 8, 22, 32, 66, 91, 0, 1, 0, 0, 0, 7, 0, 22, 0, 0, 0, 233, 0, 1, 1, 2, 3, 7, 8, 22, 32, 66, 91, 233, 263, 0]

cp's OEIS Frontend

A143656 Triangle T(n, k) = A045545(k) if gcd(n,k) = 1, 0 otherwise, read by rows.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	1
13	2
14	3
15	0
16	1
17	0
18	0
19	0
20	7
21	0
22	1
23	1
24	2
25	3
26	7
27	8
28	0
29	1
30	0
31	2
32	0
33	7
34	0
35	22
36	0
37	1
38	1
39	0
40	3
41	7
42	0
43	22
44	32
45	0
46	1
47	0
48	2
49	0
50	0
51	0
52	22
53	0
54	66
55	0
56	1
57	1
58	2
59	3
60	7
61	8
62	22
63	32
64	66
65	91
66	0
67	1
68	0
69	0
70	0
71	7
72	0
73	22
74	0
75	0
76	0
77	233
78	0
79	1
80	1
81	2
82	3
83	7
84	8
85	22
86	32
87	66
88	91
89	233
90	263
91	0

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	1
13	2
14	3
15	0
16	1
17	0
18	0
19	0
20	7
21	0
22	1
23	1
24	2
25	3
26	7
27	8
28	0
29	1
30	0
31	2
32	0
33	7
34	0
35	22
36	0
37	1
38	1
39	0
40	3
41	7
42	0
43	22
44	32
45	0
46	1
47	0
48	2
49	0
50	0
51	0
52	22
53	0
54	66
55	0
56	1
57	1
58	2
59	3
60	7
61	8
62	22
63	32
64	66
65	91
66	0
67	1
68	0
69	0
70	0
71	7
72	0
73	22
74	0
75	0
76	0
77	233
78	0
79	1
80	1
81	2
82	3
83	7
84	8
85	22
86	32
87	66
88	91
89	233
90	263
91	0

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	1
13	2
14	3
15	0
16	1
17	0
18	0
19	0
20	7
21	0
22	1
23	1
24	2
25	3
26	7
27	8
28	0
29	1
30	0
31	2
32	0
33	7
34	0
35	22
36	0
37	1
38	1
39	0
40	3
41	7
42	0
43	22
44	32
45	0
46	1
47	0
48	2
49	0
50	0
51	0
52	22
53	0
54	66
55	0
56	1
57	1
58	2
59	3
60	7
61	8
62	22
63	32
64	66
65	91
66	0
67	1
68	0
69	0
70	0
71	7
72	0
73	22
74	0
75	0
76	0
77	233
78	0
79	1
80	1
81	2
82	3
83	7
84	8
85	22
86	32
87	66
88	91
89	233
90	263
91	0