A324545 - cp's OEIS frontend

A324545 An analog of sigma (A000203) for nonstandard factorization based on the sieve of Eratosthenes (A083221).

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	13
10	18
11	12
12	28
13	14
14	24
15	24
16	31
17	18
18	39
19	20
20	42
21	40
22	36
23	24
24	60
25	31
26	42
27	32
28	56
29	30
30	72
31	32
32	63
33	78
34	54
35	48
36	91
37	38
38	60
39	48
40	90
41	42
42	120
43	44
44	84
45	121
46	72
47	48
48	124
49	57
50	93
51	124
52	98
53	54
54	96
55	156
56	120
57	104
58	90
59	60
60	168
61	62
62	96
63	56
64	127
65	72
66	234
67	68
68	126
69	240
70	144
71	72
72	195
73	74
74	114
75	72
76	140
77	96
78	144
79	80

[1, 3, 4, 7, 6, 12, 8, 15, 13, 18, 12, 28, 14, 24, 24, 31, 18, 39, 20, 42, 40, 36, 24, 60, 31, 42, 32, 56, 30, 72, 32, 63, 78, 54, 48, 91, 38, 60, 48, 90, 42, 120, 44, 84, 121, 72, 48, 124, 57, 93, 124, 98, 54, 96, 156, 120, 104, 90, 60, 168, 62, 96, 56, 127, 72, 234, 68, 126, 240, 144, 72, 195, 74, 114, 72, 140, 96, 144, 80]

cp's OEIS Frontend

A324545 An analog of sigma (A000203) for nonstandard factorization based on the sieve of Eratosthenes (A083221).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	13
10	18
11	12
12	28
13	14
14	24
15	24
16	31
17	18
18	39
19	20
20	42
21	40
22	36
23	24
24	60
25	31
26	42
27	32
28	56
29	30
30	72
31	32
32	63
33	78
34	54
35	48
36	91
37	38
38	60
39	48
40	90
41	42
42	120
43	44
44	84
45	121
46	72
47	48
48	124
49	57
50	93
51	124
52	98
53	54
54	96
55	156
56	120
57	104
58	90
59	60
60	168
61	62
62	96
63	56
64	127
65	72
66	234
67	68
68	126
69	240
70	144
71	72
72	195
73	74
74	114
75	72
76	140
77	96
78	144
79	80

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	13
10	18
11	12
12	28
13	14
14	24
15	24
16	31
17	18
18	39
19	20
20	42
21	40
22	36
23	24
24	60
25	31
26	42
27	32
28	56
29	30
30	72
31	32
32	63
33	78
34	54
35	48
36	91
37	38
38	60
39	48
40	90
41	42
42	120
43	44
44	84
45	121
46	72
47	48
48	124
49	57
50	93
51	124
52	98
53	54
54	96
55	156
56	120
57	104
58	90
59	60
60	168
61	62
62	96
63	56
64	127
65	72
66	234
67	68
68	126
69	240
70	144
71	72
72	195
73	74
74	114
75	72
76	140
77	96
78	144
79	80

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	13
10	18
11	12
12	28
13	14
14	24
15	24
16	31
17	18
18	39
19	20
20	42
21	40
22	36
23	24
24	60
25	31
26	42
27	32
28	56
29	30
30	72
31	32
32	63
33	78
34	54
35	48
36	91
37	38
38	60
39	48
40	90
41	42
42	120
43	44
44	84
45	121
46	72
47	48
48	124
49	57
50	93
51	124
52	98
53	54
54	96
55	156
56	120
57	104
58	90
59	60
60	168
61	62
62	96
63	56
64	127
65	72
66	234
67	68
68	126
69	240
70	144
71	72
72	195
73	74
74	114
75	72
76	140
77	96
78	144
79	80