A345418 - cp's OEIS frontend

A345418 Table read by upward antidiagonals: Given m, n >= 1, write gcd(prime(m),prime(n)) as d = uprime(m)+vprime(n) where u, v are minimal; T(m,n) = v.

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

[1, -1, 1, -2, 1, 1, -3, 2, -1, 1, -5, -2, 1, 1, 1, -6, 4, 3, -2, -1, 1, -8, -4, -2, 1, 1, 1, 1, -9, 6, -5, -3, 2, 2, -1, 1, -11, -6, 7, 2, 1, -1, -2, 1, 1, -14, 8, 4, 5, 6, -5, -2, -1, -1, 1, -15, 10, -9, -8, -3, 1, 2, 3, 2, -1, 1, -18, -10, 6, 10, 7, 4, -3, -4, -3, -1, 1, 1]

cp's OEIS Frontend

A345418 Table read by upward antidiagonals: Given m, n >= 1, write gcd(prime(m),prime(n)) as d = uprime(m)+vprime(n) where u, v are minimal; T(m,n) = v.

Table of values

List of values

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

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

cp's OEIS Frontend

A345418 Table read by upward antidiagonals: Given m, n >= 1, write gcd(prime(m),prime(n)) as d = u*prime(m)+v*prime(n) where u, v are minimal; T(m,n) = v.

Table of values

List of values

A345418 Table read by upward antidiagonals: Given m, n >= 1, write gcd(prime(m),prime(n)) as d = uprime(m)+vprime(n) where u, v are minimal; T(m,n) = v.

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