A347683 - cp's OEIS frontend

A347683 Triangle read by rows: T(n,k) (1<=k<=n) = f(n,k), where f(x,y) = xred_inv(x,y) + yred_inv(y,x) if gcd(x,y)=1, or 0 if gcd(x,y)>1, and red_inv is defined in the comments.

n	a(n)
1	0
2	1
3	0
4	1
5	5
6	0
7	1
8	0
9	7
10	0
11	1
12	9
13	11
14	9
15	0
16	1
17	0
18	0
19	0
20	11
21	0
22	1
23	13
24	13
25	15
26	29
27	13
28	0
29	1
30	0
31	17
32	0
33	31
34	0
35	15
36	0
37	1
38	17
39	0
40	17
41	19
42	0
43	55
44	17
45	0
46	1
47	0
48	19
49	0
50	0
51	0
52	41
53	0
54	19
55	0
56	1
57	21
58	23
59	23
60	21
61	23
62	43
63	65
64	89
65	21
66	0
67	1
68	0
69	0
70	0
71	49
72	0
73	71
74	0
75	0
76	0
77	23
78	0
79	1
80	25
81	25
82	25
83	51
84	25
85	27
86	79
87	53
88	79
89	131
90	25
91	0

[0, 1, 0, 1, 5, 0, 1, 0, 7, 0, 1, 9, 11, 9, 0, 1, 0, 0, 0, 11, 0, 1, 13, 13, 15, 29, 13, 0, 1, 0, 17, 0, 31, 0, 15, 0, 1, 17, 0, 17, 19, 0, 55, 17, 0, 1, 0, 19, 0, 0, 0, 41, 0, 19, 0, 1, 21, 23, 23, 21, 23, 43, 65, 89, 21, 0, 1, 0, 0, 0, 49, 0, 71, 0, 0, 0, 23, 0, 1, 25, 25, 25, 51, 25, 27, 79, 53, 79, 131, 25, 0]

cp's OEIS Frontend

A347683 Triangle read by rows: T(n,k) (1<=k<=n) = f(n,k), where f(x,y) = xred_inv(x,y) + yred_inv(y,x) if gcd(x,y)=1, or 0 if gcd(x,y)>1, and red_inv is defined in the comments.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	5
6	0
7	1
8	0
9	7
10	0
11	1
12	9
13	11
14	9
15	0
16	1
17	0
18	0
19	0
20	11
21	0
22	1
23	13
24	13
25	15
26	29
27	13
28	0
29	1
30	0
31	17
32	0
33	31
34	0
35	15
36	0
37	1
38	17
39	0
40	17
41	19
42	0
43	55
44	17
45	0
46	1
47	0
48	19
49	0
50	0
51	0
52	41
53	0
54	19
55	0
56	1
57	21
58	23
59	23
60	21
61	23
62	43
63	65
64	89
65	21
66	0
67	1
68	0
69	0
70	0
71	49
72	0
73	71
74	0
75	0
76	0
77	23
78	0
79	1
80	25
81	25
82	25
83	51
84	25
85	27
86	79
87	53
88	79
89	131
90	25
91	0

n	a(n)
1	0
2	1
3	0
4	1
5	5
6	0
7	1
8	0
9	7
10	0
11	1
12	9
13	11
14	9
15	0
16	1
17	0
18	0
19	0
20	11
21	0
22	1
23	13
24	13
25	15
26	29
27	13
28	0
29	1
30	0
31	17
32	0
33	31
34	0
35	15
36	0
37	1
38	17
39	0
40	17
41	19
42	0
43	55
44	17
45	0
46	1
47	0
48	19
49	0
50	0
51	0
52	41
53	0
54	19
55	0
56	1
57	21
58	23
59	23
60	21
61	23
62	43
63	65
64	89
65	21
66	0
67	1
68	0
69	0
70	0
71	49
72	0
73	71
74	0
75	0
76	0
77	23
78	0
79	1
80	25
81	25
82	25
83	51
84	25
85	27
86	79
87	53
88	79
89	131
90	25
91	0

cp's OEIS Frontend

A347683 Triangle read by rows: T(n,k) (1<=k<=n) = f(n,k), where f(x,y) = x*red_inv(x,y) + y*red_inv(y,x) if gcd(x,y)=1, or 0 if gcd(x,y)>1, and red_inv is defined in the comments.

Table of values

List of values

A347683 Triangle read by rows: T(n,k) (1<=k<=n) = f(n,k), where f(x,y) = xred_inv(x,y) + yred_inv(y,x) if gcd(x,y)=1, or 0 if gcd(x,y)>1, and red_inv is defined in the comments.

n	a(n)
1	0
2	1
3	0
4	1
5	5
6	0
7	1
8	0
9	7
10	0
11	1
12	9
13	11
14	9
15	0
16	1
17	0
18	0
19	0
20	11
21	0
22	1
23	13
24	13
25	15
26	29
27	13
28	0
29	1
30	0
31	17
32	0
33	31
34	0
35	15
36	0
37	1
38	17
39	0
40	17
41	19
42	0
43	55
44	17
45	0
46	1
47	0
48	19
49	0
50	0
51	0
52	41
53	0
54	19
55	0
56	1
57	21
58	23
59	23
60	21
61	23
62	43
63	65
64	89
65	21
66	0
67	1
68	0
69	0
70	0
71	49
72	0
73	71
74	0
75	0
76	0
77	23
78	0
79	1
80	25
81	25
82	25
83	51
84	25
85	27
86	79
87	53
88	79
89	131
90	25
91	0