A287692 - cp's OEIS frontend

A287692 Triangle read by rows: T(n,k) is the greatest difference between prime factors among squarefree numbers A002110(n) <= m <= (A002110(n+1)-1) such that A001221(m) = n and m is divisible by A002110(k).

n	a(n)
1	3
2	2
3	5
4	2
5	3
6	9
7	2
8	3
9	5
10	18
11	2
12	2
13	4
14	7
15	30
16	2
17	2
18	3
19	5
20	10
21	42
22	2
23	2
24	3
25	4
26	6
27	13
28	60
29	2
30	2
31	3
32	4
33	5
34	8
35	17
36	77
37	2
38	2
39	3
40	3
41	4
42	6
43	10
44	22
45	113
46	2
47	2
48	2
49	3
50	4
51	5
52	8
53	12
54	25
55	145
56	2
57	2
58	2
59	3
60	4
61	5
62	6
63	9
64	15
65	32
66	179
67	2
68	2
69	2
70	3
71	4
72	4
73	6
74	7
75	11
76	19
77	36
78	229

[3, 2, 5, 2, 3, 9, 2, 3, 5, 18, 2, 2, 4, 7, 30, 2, 2, 3, 5, 10, 42, 2, 2, 3, 4, 6, 13, 60, 2, 2, 3, 4, 5, 8, 17, 77, 2, 2, 3, 3, 4, 6, 10, 22, 113, 2, 2, 2, 3, 4, 5, 8, 12, 25, 145, 2, 2, 2, 3, 4, 5, 6, 9, 15, 32, 179, 2, 2, 2, 3, 4, 4, 6, 7, 11, 19, 36, 229]

cp's OEIS Frontend

A287692 Triangle read by rows: T(n,k) is the greatest difference between prime factors among squarefree numbers A002110(n) <= m <= (A002110(n+1)-1) such that A001221(m) = n and m is divisible by A002110(k).

Table of values

List of values

n	a(n)
1	3
2	2
3	5
4	2
5	3
6	9
7	2
8	3
9	5
10	18
11	2
12	2
13	4
14	7
15	30
16	2
17	2
18	3
19	5
20	10
21	42
22	2
23	2
24	3
25	4
26	6
27	13
28	60
29	2
30	2
31	3
32	4
33	5
34	8
35	17
36	77
37	2
38	2
39	3
40	3
41	4
42	6
43	10
44	22
45	113
46	2
47	2
48	2
49	3
50	4
51	5
52	8
53	12
54	25
55	145
56	2
57	2
58	2
59	3
60	4
61	5
62	6
63	9
64	15
65	32
66	179
67	2
68	2
69	2
70	3
71	4
72	4
73	6
74	7
75	11
76	19
77	36
78	229

n	a(n)
1	3
2	2
3	5
4	2
5	3
6	9
7	2
8	3
9	5
10	18
11	2
12	2
13	4
14	7
15	30
16	2
17	2
18	3
19	5
20	10
21	42
22	2
23	2
24	3
25	4
26	6
27	13
28	60
29	2
30	2
31	3
32	4
33	5
34	8
35	17
36	77
37	2
38	2
39	3
40	3
41	4
42	6
43	10
44	22
45	113
46	2
47	2
48	2
49	3
50	4
51	5
52	8
53	12
54	25
55	145
56	2
57	2
58	2
59	3
60	4
61	5
62	6
63	9
64	15
65	32
66	179
67	2
68	2
69	2
70	3
71	4
72	4
73	6
74	7
75	11
76	19
77	36
78	229

n	a(n)
1	3
2	2
3	5
4	2
5	3
6	9
7	2
8	3
9	5
10	18
11	2
12	2
13	4
14	7
15	30
16	2
17	2
18	3
19	5
20	10
21	42
22	2
23	2
24	3
25	4
26	6
27	13
28	60
29	2
30	2
31	3
32	4
33	5
34	8
35	17
36	77
37	2
38	2
39	3
40	3
41	4
42	6
43	10
44	22
45	113
46	2
47	2
48	2
49	3
50	4
51	5
52	8
53	12
54	25
55	145
56	2
57	2
58	2
59	3
60	4
61	5
62	6
63	9
64	15
65	32
66	179
67	2
68	2
69	2
70	3
71	4
72	4
73	6
74	7
75	11
76	19
77	36
78	229