A351903 - cp's OEIS frontend

A351903 a(n) is the smallest number k such that the symmetric representation of sigma(k) has at least one part of size n.

n	a(n)
1	1
2	3
3	2
4	7
5	9
6	11
7	4
8	15
9	10
10	19
11	21
12	6
13	25
14	27
15	8
16	31
17	33
18	22
19	37
20	39
21	26
22	43
23	45
24	47
25	49
26	51
27	34
28	12
29	57
30	38
31	16
32	45
33	65
34	67
35	69
36	46
37	73
38	75
39	18
40	79
41	81
42	20
43	85
44	87
45	58
46	91
47	93
48	62
49	52
50	99
51	101
52	103
53	105
54	70
55	109
56	28
57	74
58	115
59	117
60	24
61	121
62	123
63	32
64	127
65	129
66	86
67	133
68	135
69	137
70	76

[1, 3, 2, 7, 9, 11, 4, 15, 10, 19, 21, 6, 25, 27, 8, 31, 33, 22, 37, 39, 26, 43, 45, 47, 49, 51, 34, 12, 57, 38, 16, 45, 65, 67, 69, 46, 73, 75, 18, 79, 81, 20, 85, 87, 58, 91, 93, 62, 52, 99, 101, 103, 105, 70, 109, 28, 74, 115, 117, 24, 121, 123, 32, 127, 129, 86, 133, 135, 137, 76]

cp's OEIS Frontend

A351903 a(n) is the smallest number k such that the symmetric representation of sigma(k) has at least one part of size n.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	7
5	9
6	11
7	4
8	15
9	10
10	19
11	21
12	6
13	25
14	27
15	8
16	31
17	33
18	22
19	37
20	39
21	26
22	43
23	45
24	47
25	49
26	51
27	34
28	12
29	57
30	38
31	16
32	45
33	65
34	67
35	69
36	46
37	73
38	75
39	18
40	79
41	81
42	20
43	85
44	87
45	58
46	91
47	93
48	62
49	52
50	99
51	101
52	103
53	105
54	70
55	109
56	28
57	74
58	115
59	117
60	24
61	121
62	123
63	32
64	127
65	129
66	86
67	133
68	135
69	137
70	76

n	a(n)
1	1
2	3
3	2
4	7
5	9
6	11
7	4
8	15
9	10
10	19
11	21
12	6
13	25
14	27
15	8
16	31
17	33
18	22
19	37
20	39
21	26
22	43
23	45
24	47
25	49
26	51
27	34
28	12
29	57
30	38
31	16
32	45
33	65
34	67
35	69
36	46
37	73
38	75
39	18
40	79
41	81
42	20
43	85
44	87
45	58
46	91
47	93
48	62
49	52
50	99
51	101
52	103
53	105
54	70
55	109
56	28
57	74
58	115
59	117
60	24
61	121
62	123
63	32
64	127
65	129
66	86
67	133
68	135
69	137
70	76

n	a(n)
1	1
2	3
3	2
4	7
5	9
6	11
7	4
8	15
9	10
10	19
11	21
12	6
13	25
14	27
15	8
16	31
17	33
18	22
19	37
20	39
21	26
22	43
23	45
24	47
25	49
26	51
27	34
28	12
29	57
30	38
31	16
32	45
33	65
34	67
35	69
36	46
37	73
38	75
39	18
40	79
41	81
42	20
43	85
44	87
45	58
46	91
47	93
48	62
49	52
50	99
51	101
52	103
53	105
54	70
55	109
56	28
57	74
58	115
59	117
60	24
61	121
62	123
63	32
64	127
65	129
66	86
67	133
68	135
69	137
70	76