A193988 - cp's OEIS frontend

A193988 Numbers n such that sigma_2(n) > sigma_2(k) for all k < n.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	14
12	15
13	16
14	18
15	20
16	22
17	24
18	28
19	30
20	32
21	34
22	36
23	40
24	42
25	44
26	46
27	48
28	52
29	54
30	56
31	60
32	64
33	66
34	70
35	72
36	78
37	80
38	84
39	90
40	96
41	100
42	102
43	108
44	114
45	120
46	126
47	132
48	138
49	140
50	144
51	150
52	156
53	162
54	168
55	180
56	192
57	198
58	204
59	210
60	216
61	228

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 22, 24, 28, 30, 32, 34, 36, 40, 42, 44, 46, 48, 52, 54, 56, 60, 64, 66, 70, 72, 78, 80, 84, 90, 96, 100, 102, 108, 114, 120, 126, 132, 138, 140, 144, 150, 156, 162, 168, 180, 192, 198, 204, 210, 216, 228]

cp's OEIS Frontend

A193988 Numbers n such that sigma_2(n) > sigma_2(k) for all k < n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	14
12	15
13	16
14	18
15	20
16	22
17	24
18	28
19	30
20	32
21	34
22	36
23	40
24	42
25	44
26	46
27	48
28	52
29	54
30	56
31	60
32	64
33	66
34	70
35	72
36	78
37	80
38	84
39	90
40	96
41	100
42	102
43	108
44	114
45	120
46	126
47	132
48	138
49	140
50	144
51	150
52	156
53	162
54	168
55	180
56	192
57	198
58	204
59	210
60	216
61	228

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	14
12	15
13	16
14	18
15	20
16	22
17	24
18	28
19	30
20	32
21	34
22	36
23	40
24	42
25	44
26	46
27	48
28	52
29	54
30	56
31	60
32	64
33	66
34	70
35	72
36	78
37	80
38	84
39	90
40	96
41	100
42	102
43	108
44	114
45	120
46	126
47	132
48	138
49	140
50	144
51	150
52	156
53	162
54	168
55	180
56	192
57	198
58	204
59	210
60	216
61	228

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	14
12	15
13	16
14	18
15	20
16	22
17	24
18	28
19	30
20	32
21	34
22	36
23	40
24	42
25	44
26	46
27	48
28	52
29	54
30	56
31	60
32	64
33	66
34	70
35	72
36	78
37	80
38	84
39	90
40	96
41	100
42	102
43	108
44	114
45	120
46	126
47	132
48	138
49	140
50	144
51	150
52	156
53	162
54	168
55	180
56	192
57	198
58	204
59	210
60	216
61	228