A103359 - cp's OEIS frontend

A103359 T(n,k) = Max{p: prime p divides m where n-k<=m<=n+k}, triangle read by rows: 0<=k

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

[1, 2, 3, 3, 3, 5, 2, 5, 5, 7, 5, 5, 7, 7, 7, 3, 7, 7, 7, 7, 11, 7, 7, 7, 7, 11, 11, 13, 2, 7, 7, 11, 11, 13, 13, 13, 3, 5, 11, 11, 13, 13, 13, 13, 17, 5, 11, 11, 13, 13, 13, 13, 17, 17, 19, 11, 11, 13, 13, 13, 13, 17, 17, 19, 19, 19, 3, 13, 13, 13, 13, 17, 17, 19, 19, 19, 19, 23, 13, 13]

cp's OEIS Frontend

A103359 T(n,k) = Max{p: prime p divides m where n-k<=m<=n+k}, triangle read by rows: 0<=k

Table of values

List of values

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

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

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