A254748 - cp's OEIS frontend

A254748 Numbers without superdivisors: numbers n such that n/k + n fails to divide at least one of (n/k)^(n/k) + n, (n/k)^n + n/k or n^(n/k) + n/k for any divisor k of n.

n	a(n)
1	2
2	4
3	6
4	8
5	12
6	14
7	16
8	18
9	20
10	24
11	26
12	28
13	30
14	32
15	38
16	40
17	42
18	44
19	48
20	50
21	52
22	54
23	56
24	60
25	62
26	64
27	66
28	68
29	72
30	74
31	80
32	84
33	86
34	88
35	90
36	92
37	96
38	98
39	100
40	102
41	104
42	108
43	110
44	112
45	114
46	120
47	122
48	124
49	126
50	128
51	132
52	134
53	138
54	140
55	144
56	146
57	148
58	150
59	152
60	158
61	160
62	164
63	168
64	170
65	172
66	174

[2, 4, 6, 8, 12, 14, 16, 18, 20, 24, 26, 28, 30, 32, 38, 40, 42, 44, 48, 50, 52, 54, 56, 60, 62, 64, 66, 68, 72, 74, 80, 84, 86, 88, 90, 92, 96, 98, 100, 102, 104, 108, 110, 112, 114, 120, 122, 124, 126, 128, 132, 134, 138, 140, 144, 146, 148, 150, 152, 158, 160, 164, 168, 170, 172, 174]

cp's OEIS Frontend

A254748 Numbers without superdivisors: numbers n such that n/k + n fails to divide at least one of (n/k)^(n/k) + n, (n/k)^n + n/k or n^(n/k) + n/k for any divisor k of n.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	12
6	14
7	16
8	18
9	20
10	24
11	26
12	28
13	30
14	32
15	38
16	40
17	42
18	44
19	48
20	50
21	52
22	54
23	56
24	60
25	62
26	64
27	66
28	68
29	72
30	74
31	80
32	84
33	86
34	88
35	90
36	92
37	96
38	98
39	100
40	102
41	104
42	108
43	110
44	112
45	114
46	120
47	122
48	124
49	126
50	128
51	132
52	134
53	138
54	140
55	144
56	146
57	148
58	150
59	152
60	158
61	160
62	164
63	168
64	170
65	172
66	174

n	a(n)
1	2
2	4
3	6
4	8
5	12
6	14
7	16
8	18
9	20
10	24
11	26
12	28
13	30
14	32
15	38
16	40
17	42
18	44
19	48
20	50
21	52
22	54
23	56
24	60
25	62
26	64
27	66
28	68
29	72
30	74
31	80
32	84
33	86
34	88
35	90
36	92
37	96
38	98
39	100
40	102
41	104
42	108
43	110
44	112
45	114
46	120
47	122
48	124
49	126
50	128
51	132
52	134
53	138
54	140
55	144
56	146
57	148
58	150
59	152
60	158
61	160
62	164
63	168
64	170
65	172
66	174

n	a(n)
1	2
2	4
3	6
4	8
5	12
6	14
7	16
8	18
9	20
10	24
11	26
12	28
13	30
14	32
15	38
16	40
17	42
18	44
19	48
20	50
21	52
22	54
23	56
24	60
25	62
26	64
27	66
28	68
29	72
30	74
31	80
32	84
33	86
34	88
35	90
36	92
37	96
38	98
39	100
40	102
41	104
42	108
43	110
44	112
45	114
46	120
47	122
48	124
49	126
50	128
51	132
52	134
53	138
54	140
55	144
56	146
57	148
58	150
59	152
60	158
61	160
62	164
63	168
64	170
65	172
66	174