A173016 - cp's OEIS frontend

A173016 Numbers k such that the sequence B = B_k defined by {B(1) = 1; for i >= 2: B(i) = the smallest number h such that sigma(h) = A000203(h) = B(i-1) + k; or B(i) = 0 if no such number h exists} is not the sequence {A063524(j): j >= 1}.

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

[1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 17, 18, 19, 20, 23, 24, 27, 28, 29, 30, 31, 32, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 47, 48, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 67, 68, 71, 72, 73, 74, 77, 78, 79, 80, 83, 84, 89, 90, 91, 92, 93, 95, 96, 97, 98, 101]

cp's OEIS Frontend

A173016 Numbers k such that the sequence B = B_k defined by {B(1) = 1; for i >= 2: B(i) = the smallest number h such that sigma(h) = A000203(h) = B(i-1) + k; or B(i) = 0 if no such number h exists} is not the sequence {A063524(j): j >= 1}.

Table of values

List of values

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

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

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