A296091 - cp's OEIS frontend

A296091 a(1) = 1 and for n > 1, the least number with the same prime signature as sigma(n)-1.

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	2
7	2
8	6
9	12
10	2
11	2
12	8
13	2
14	2
15	2
16	30
17	2
18	6
19	2
20	2
21	2
22	6
23	2
24	2
25	30
26	2
27	6
28	6
29	2
30	2
31	2
32	6
33	2
34	2
35	2
36	60
37	2
38	2
39	6
40	2
41	2
42	6
43	2
44	2
45	6
46	2
47	2
48	6
49	24
50	12
51	2
52	2
53	2
54	6
55	2
56	6
57	2
58	2
59	2
60	2
61	2
62	6
63	2
64	60
65	2
66	6
67	2
68	8
69	6
70	6
71	2
72	6
73	2
74	2
75	6
76	2
77	6
78	2
79	2
80	6
81	120
82	8
83	2
84	2
85	2
86	2
87	6
88	2
89	2
90	2
91	6
92	2
93	2
94	6
95	6
96	2
97	2
98	30
99	6
100	216
101	2
102	6
103	2
104	6
105	2

[1, 2, 2, 6, 2, 2, 2, 6, 12, 2, 2, 8, 2, 2, 2, 30, 2, 6, 2, 2, 2, 6, 2, 2, 30, 2, 6, 6, 2, 2, 2, 6, 2, 2, 2, 60, 2, 2, 6, 2, 2, 6, 2, 2, 6, 2, 2, 6, 24, 12, 2, 2, 2, 6, 2, 6, 2, 2, 2, 2, 2, 6, 2, 60, 2, 6, 2, 8, 6, 6, 2, 6, 2, 2, 6, 2, 6, 2, 2, 6, 120, 8, 2, 2, 2, 2, 6, 2, 2, 2, 6, 2, 2, 6, 6, 2, 2, 30, 6, 216, 2, 6, 2, 6, 2]

cp's OEIS Frontend

A296091 a(1) = 1 and for n > 1, the least number with the same prime signature as sigma(n)-1.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	2
7	2
8	6
9	12
10	2
11	2
12	8
13	2
14	2
15	2
16	30
17	2
18	6
19	2
20	2
21	2
22	6
23	2
24	2
25	30
26	2
27	6
28	6
29	2
30	2
31	2
32	6
33	2
34	2
35	2
36	60
37	2
38	2
39	6
40	2
41	2
42	6
43	2
44	2
45	6
46	2
47	2
48	6
49	24
50	12
51	2
52	2
53	2
54	6
55	2
56	6
57	2
58	2
59	2
60	2
61	2
62	6
63	2
64	60
65	2
66	6
67	2
68	8
69	6
70	6
71	2
72	6
73	2
74	2
75	6
76	2
77	6
78	2
79	2
80	6
81	120
82	8
83	2
84	2
85	2
86	2
87	6
88	2
89	2
90	2
91	6
92	2
93	2
94	6
95	6
96	2
97	2
98	30
99	6
100	216
101	2
102	6
103	2
104	6
105	2

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	2
7	2
8	6
9	12
10	2
11	2
12	8
13	2
14	2
15	2
16	30
17	2
18	6
19	2
20	2
21	2
22	6
23	2
24	2
25	30
26	2
27	6
28	6
29	2
30	2
31	2
32	6
33	2
34	2
35	2
36	60
37	2
38	2
39	6
40	2
41	2
42	6
43	2
44	2
45	6
46	2
47	2
48	6
49	24
50	12
51	2
52	2
53	2
54	6
55	2
56	6
57	2
58	2
59	2
60	2
61	2
62	6
63	2
64	60
65	2
66	6
67	2
68	8
69	6
70	6
71	2
72	6
73	2
74	2
75	6
76	2
77	6
78	2
79	2
80	6
81	120
82	8
83	2
84	2
85	2
86	2
87	6
88	2
89	2
90	2
91	6
92	2
93	2
94	6
95	6
96	2
97	2
98	30
99	6
100	216
101	2
102	6
103	2
104	6
105	2

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	2
7	2
8	6
9	12
10	2
11	2
12	8
13	2
14	2
15	2
16	30
17	2
18	6
19	2
20	2
21	2
22	6
23	2
24	2
25	30
26	2
27	6
28	6
29	2
30	2
31	2
32	6
33	2
34	2
35	2
36	60
37	2
38	2
39	6
40	2
41	2
42	6
43	2
44	2
45	6
46	2
47	2
48	6
49	24
50	12
51	2
52	2
53	2
54	6
55	2
56	6
57	2
58	2
59	2
60	2
61	2
62	6
63	2
64	60
65	2
66	6
67	2
68	8
69	6
70	6
71	2
72	6
73	2
74	2
75	6
76	2
77	6
78	2
79	2
80	6
81	120
82	8
83	2
84	2
85	2
86	2
87	6
88	2
89	2
90	2
91	6
92	2
93	2
94	6
95	6
96	2
97	2
98	30
99	6
100	216
101	2
102	6
103	2
104	6
105	2