A057109 - cp's OEIS frontend

A057109 Numbers n that are not factors of P(n)!, where P(n) is the largest prime factor of n.

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	18
7	24
8	25
9	27
10	32
11	36
12	45
13	48
14	49
15	50
16	54
17	64
18	72
19	75
20	80
21	81
22	90
23	96
24	98
25	100
26	108
27	121
28	125
29	128
30	135
31	144
32	147
33	150
34	160
35	162
36	169
37	175
38	180
39	189
40	192
41	196
42	200
43	216
44	224
45	225
46	240
47	242
48	243
49	245
50	250
51	256
52	270
53	288
54	289
55	294
56	300
57	320
58	324

[4, 8, 9, 12, 16, 18, 24, 25, 27, 32, 36, 45, 48, 49, 50, 54, 64, 72, 75, 80, 81, 90, 96, 98, 100, 108, 121, 125, 128, 135, 144, 147, 150, 160, 162, 169, 175, 180, 189, 192, 196, 200, 216, 224, 225, 240, 242, 243, 245, 250, 256, 270, 288, 289, 294, 300, 320, 324]

cp's OEIS Frontend

A057109 Numbers n that are not factors of P(n)!, where P(n) is the largest prime factor of n.

Table of values

List of values

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	18
7	24
8	25
9	27
10	32
11	36
12	45
13	48
14	49
15	50
16	54
17	64
18	72
19	75
20	80
21	81
22	90
23	96
24	98
25	100
26	108
27	121
28	125
29	128
30	135
31	144
32	147
33	150
34	160
35	162
36	169
37	175
38	180
39	189
40	192
41	196
42	200
43	216
44	224
45	225
46	240
47	242
48	243
49	245
50	250
51	256
52	270
53	288
54	289
55	294
56	300
57	320
58	324

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	18
7	24
8	25
9	27
10	32
11	36
12	45
13	48
14	49
15	50
16	54
17	64
18	72
19	75
20	80
21	81
22	90
23	96
24	98
25	100
26	108
27	121
28	125
29	128
30	135
31	144
32	147
33	150
34	160
35	162
36	169
37	175
38	180
39	189
40	192
41	196
42	200
43	216
44	224
45	225
46	240
47	242
48	243
49	245
50	250
51	256
52	270
53	288
54	289
55	294
56	300
57	320
58	324

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	18
7	24
8	25
9	27
10	32
11	36
12	45
13	48
14	49
15	50
16	54
17	64
18	72
19	75
20	80
21	81
22	90
23	96
24	98
25	100
26	108
27	121
28	125
29	128
30	135
31	144
32	147
33	150
34	160
35	162
36	169
37	175
38	180
39	189
40	192
41	196
42	200
43	216
44	224
45	225
46	240
47	242
48	243
49	245
50	250
51	256
52	270
53	288
54	289
55	294
56	300
57	320
58	324