A031177 - cp's OEIS frontend

A031177 Unhappy numbers: numbers having period-8 2-digitized sequences.

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	33
25	34
26	35
27	36
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	54
44	55
45	56
46	57
47	58
48	59
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	69
58	71
59	72
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	83

[2, 3, 4, 5, 6, 8, 9, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 25, 26, 27, 29, 30, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 69, 71, 72, 73, 74, 75, 76, 77, 78, 80, 81, 83]

cp's OEIS Frontend

A031177 Unhappy numbers: numbers having period-8 2-digitized sequences.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	33
25	34
26	35
27	36
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	54
44	55
45	56
46	57
47	58
48	59
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	69
58	71
59	72
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	83

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	33
25	34
26	35
27	36
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	54
44	55
45	56
46	57
47	58
48	59
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	69
58	71
59	72
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	83

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	8
7	9
8	11
9	12
10	14
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	33
25	34
26	35
27	36
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	54
44	55
45	56
46	57
47	58
48	59
49	60
50	61
51	62
52	63
53	64
54	65
55	66
56	67
57	69
58	71
59	72
60	73
61	74
62	75
63	76
64	77
65	78
66	80
67	81
68	83