A129634 - cp's OEIS frontend

A129634 Least nonnegative m such that T(n) + T(m) is prime, where T(n) = n*(n+1)/2.

n	a(n)
0	2
1	1
2	0
3	1
4	1
5	7
6	4
7	1
8	1
9	7
10	3
11	1
12	1
13	3
14	16
15	13
16	1
17	4
18	4
19	1
20	1
21	4
22	4
23	1
24	46
25	3
26	7
27	1
28	2
29	7
30	16
31	2
32	13
33	4
34	3
35	1
36	13
37	3
38	4
39	22
40	1
41	16
42	16
43	1
44	1
45	7
46	3
47	1
48	10
49	3
50	7
51	1
52	2
53	7
54	16
55	2
56	1
57	4
58	4
59	13
60	1
61	4
62	16
63	1
64	1
65	16
66	4
67	2
68	1
69	16
70	8
71	1
72	10
73	3
74	7
75	1
76	1
77	31
78	7
79	2
80	13
81	4
82	4
83	10
84	1
85	8
86	7
87	13
88	1
89	43
90	16
91	5
92	25
93	16

[2, 1, 0, 1, 1, 7, 4, 1, 1, 7, 3, 1, 1, 3, 16, 13, 1, 4, 4, 1, 1, 4, 4, 1, 46, 3, 7, 1, 2, 7, 16, 2, 13, 4, 3, 1, 13, 3, 4, 22, 1, 16, 16, 1, 1, 7, 3, 1, 10, 3, 7, 1, 2, 7, 16, 2, 1, 4, 4, 13, 1, 4, 16, 1, 1, 16, 4, 2, 1, 16, 8, 1, 10, 3, 7, 1, 1, 31, 7, 2, 13, 4, 4, 10, 1, 8, 7, 13, 1, 43, 16, 5, 25, 16]

cp's OEIS Frontend

A129634 Least nonnegative m such that T(n) + T(m) is prime, where T(n) = n*(n+1)/2.

Table of values

List of values

n	a(n)
0	2
1	1
2	0
3	1
4	1
5	7
6	4
7	1
8	1
9	7
10	3
11	1
12	1
13	3
14	16
15	13
16	1
17	4
18	4
19	1
20	1
21	4
22	4
23	1
24	46
25	3
26	7
27	1
28	2
29	7
30	16
31	2
32	13
33	4
34	3
35	1
36	13
37	3
38	4
39	22
40	1
41	16
42	16
43	1
44	1
45	7
46	3
47	1
48	10
49	3
50	7
51	1
52	2
53	7
54	16
55	2
56	1
57	4
58	4
59	13
60	1
61	4
62	16
63	1
64	1
65	16
66	4
67	2
68	1
69	16
70	8
71	1
72	10
73	3
74	7
75	1
76	1
77	31
78	7
79	2
80	13
81	4
82	4
83	10
84	1
85	8
86	7
87	13
88	1
89	43
90	16
91	5
92	25
93	16

n	a(n)
0	2
1	1
2	0
3	1
4	1
5	7
6	4
7	1
8	1
9	7
10	3
11	1
12	1
13	3
14	16
15	13
16	1
17	4
18	4
19	1
20	1
21	4
22	4
23	1
24	46
25	3
26	7
27	1
28	2
29	7
30	16
31	2
32	13
33	4
34	3
35	1
36	13
37	3
38	4
39	22
40	1
41	16
42	16
43	1
44	1
45	7
46	3
47	1
48	10
49	3
50	7
51	1
52	2
53	7
54	16
55	2
56	1
57	4
58	4
59	13
60	1
61	4
62	16
63	1
64	1
65	16
66	4
67	2
68	1
69	16
70	8
71	1
72	10
73	3
74	7
75	1
76	1
77	31
78	7
79	2
80	13
81	4
82	4
83	10
84	1
85	8
86	7
87	13
88	1
89	43
90	16
91	5
92	25
93	16

n	a(n)
0	2
1	1
2	0
3	1
4	1
5	7
6	4
7	1
8	1
9	7
10	3
11	1
12	1
13	3
14	16
15	13
16	1
17	4
18	4
19	1
20	1
21	4
22	4
23	1
24	46
25	3
26	7
27	1
28	2
29	7
30	16
31	2
32	13
33	4
34	3
35	1
36	13
37	3
38	4
39	22
40	1
41	16
42	16
43	1
44	1
45	7
46	3
47	1
48	10
49	3
50	7
51	1
52	2
53	7
54	16
55	2
56	1
57	4
58	4
59	13
60	1
61	4
62	16
63	1
64	1
65	16
66	4
67	2
68	1
69	16
70	8
71	1
72	10
73	3
74	7
75	1
76	1
77	31
78	7
79	2
80	13
81	4
82	4
83	10
84	1
85	8
86	7
87	13
88	1
89	43
90	16
91	5
92	25
93	16