A002192 - cp's OEIS frontend

A002192 Least integer with A000203(a(n)) = A002191(n), where A002191 = range of the sum-of-divisors function A000203.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	6
8	9
9	13
10	8
11	10
12	19
13	14
14	12
15	29
16	16
17	21
18	22
19	37
20	18
21	27
22	20
23	43
24	33
25	34
26	28
27	49
28	24
29	61
30	32
31	67
32	30
33	73
34	45
35	57
36	44
37	40
38	36
39	50
40	42
41	52
42	101
43	63
44	85
45	109
46	91
47	74
48	54

[1, 2, 3, 5, 4, 7, 6, 9, 13, 8, 10, 19, 14, 12, 29, 16, 21, 22, 37, 18, 27, 20, 43, 33, 34, 28, 49, 24, 61, 32, 67, 30, 73, 45, 57, 44, 40, 36, 50, 42, 52, 101, 63, 85, 109, 91, 74, 54]

cp's OEIS Frontend

A002192 Least integer with A000203(a(n)) = A002191(n), where A002191 = range of the sum-of-divisors function A000203.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	6
8	9
9	13
10	8
11	10
12	19
13	14
14	12
15	29
16	16
17	21
18	22
19	37
20	18
21	27
22	20
23	43
24	33
25	34
26	28
27	49
28	24
29	61
30	32
31	67
32	30
33	73
34	45
35	57
36	44
37	40
38	36
39	50
40	42
41	52
42	101
43	63
44	85
45	109
46	91
47	74
48	54

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	6
8	9
9	13
10	8
11	10
12	19
13	14
14	12
15	29
16	16
17	21
18	22
19	37
20	18
21	27
22	20
23	43
24	33
25	34
26	28
27	49
28	24
29	61
30	32
31	67
32	30
33	73
34	45
35	57
36	44
37	40
38	36
39	50
40	42
41	52
42	101
43	63
44	85
45	109
46	91
47	74
48	54

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	6
8	9
9	13
10	8
11	10
12	19
13	14
14	12
15	29
16	16
17	21
18	22
19	37
20	18
21	27
22	20
23	43
24	33
25	34
26	28
27	49
28	24
29	61
30	32
31	67
32	30
33	73
34	45
35	57
36	44
37	40
38	36
39	50
40	42
41	52
42	101
43	63
44	85
45	109
46	91
47	74
48	54