A120454 - cp's OEIS frontend

A120454 a(n) = ceiling(GPF(n)/LPF(n)) where GPF is greatest prime factor, LPF is least prime factor.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	3
11	1
12	2
13	1
14	4
15	2
16	1
17	1
18	2
19	1
20	3
21	3
22	6
23	1
24	2
25	1
26	7
27	1
28	4
29	1
30	3
31	1
32	1
33	4
34	9
35	2
36	2
37	1
38	10
39	5
40	3
41	1
42	4
43	1
44	6
45	2
46	12
47	1
48	2
49	1
50	3
51	6
52	7
53	1
54	2
55	3
56	4
57	7
58	15
59	1
60	3
61	1
62	16
63	3
64	1
65	3
66	6
67	1
68	9
69	8
70	4
71	1
72	2
73	1
74	19
75	2
76	10
77	2
78	7
79	1
80	3
81	1
82	21
83	1
84	4
85	4
86	22
87	10
88	6
89	1
90	3
91	2
92	12
93	11
94	24
95	4
96	2
97	1
98	4
99	4

[1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 2, 1, 4, 2, 1, 1, 2, 1, 3, 3, 6, 1, 2, 1, 7, 1, 4, 1, 3, 1, 1, 4, 9, 2, 2, 1, 10, 5, 3, 1, 4, 1, 6, 2, 12, 1, 2, 1, 3, 6, 7, 1, 2, 3, 4, 7, 15, 1, 3, 1, 16, 3, 1, 3, 6, 1, 9, 8, 4, 1, 2, 1, 19, 2, 10, 2, 7, 1, 3, 1, 21, 1, 4, 4, 22, 10, 6, 1, 3, 2, 12, 11, 24, 4, 2, 1, 4, 4]

cp's OEIS Frontend

A120454 a(n) = ceiling(GPF(n)/LPF(n)) where GPF is greatest prime factor, LPF is least prime factor.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	3
11	1
12	2
13	1
14	4
15	2
16	1
17	1
18	2
19	1
20	3
21	3
22	6
23	1
24	2
25	1
26	7
27	1
28	4
29	1
30	3
31	1
32	1
33	4
34	9
35	2
36	2
37	1
38	10
39	5
40	3
41	1
42	4
43	1
44	6
45	2
46	12
47	1
48	2
49	1
50	3
51	6
52	7
53	1
54	2
55	3
56	4
57	7
58	15
59	1
60	3
61	1
62	16
63	3
64	1
65	3
66	6
67	1
68	9
69	8
70	4
71	1
72	2
73	1
74	19
75	2
76	10
77	2
78	7
79	1
80	3
81	1
82	21
83	1
84	4
85	4
86	22
87	10
88	6
89	1
90	3
91	2
92	12
93	11
94	24
95	4
96	2
97	1
98	4
99	4

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	3
11	1
12	2
13	1
14	4
15	2
16	1
17	1
18	2
19	1
20	3
21	3
22	6
23	1
24	2
25	1
26	7
27	1
28	4
29	1
30	3
31	1
32	1
33	4
34	9
35	2
36	2
37	1
38	10
39	5
40	3
41	1
42	4
43	1
44	6
45	2
46	12
47	1
48	2
49	1
50	3
51	6
52	7
53	1
54	2
55	3
56	4
57	7
58	15
59	1
60	3
61	1
62	16
63	3
64	1
65	3
66	6
67	1
68	9
69	8
70	4
71	1
72	2
73	1
74	19
75	2
76	10
77	2
78	7
79	1
80	3
81	1
82	21
83	1
84	4
85	4
86	22
87	10
88	6
89	1
90	3
91	2
92	12
93	11
94	24
95	4
96	2
97	1
98	4
99	4

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	3
11	1
12	2
13	1
14	4
15	2
16	1
17	1
18	2
19	1
20	3
21	3
22	6
23	1
24	2
25	1
26	7
27	1
28	4
29	1
30	3
31	1
32	1
33	4
34	9
35	2
36	2
37	1
38	10
39	5
40	3
41	1
42	4
43	1
44	6
45	2
46	12
47	1
48	2
49	1
50	3
51	6
52	7
53	1
54	2
55	3
56	4
57	7
58	15
59	1
60	3
61	1
62	16
63	3
64	1
65	3
66	6
67	1
68	9
69	8
70	4
71	1
72	2
73	1
74	19
75	2
76	10
77	2
78	7
79	1
80	3
81	1
82	21
83	1
84	4
85	4
86	22
87	10
88	6
89	1
90	3
91	2
92	12
93	11
94	24
95	4
96	2
97	1
98	4
99	4