A299988 - cp's OEIS frontend

A299988 Lexicographic first sequence of nonnegative integers such that a(n) + a(n+1) has a digit 8, and no term occurs twice.

n	a(n)
0	0
1	8
2	10
3	18
4	20
5	28
6	30
7	38
8	40
9	41
10	7
11	1
12	17
13	11
14	27
15	21
16	37
17	31
18	47
19	33
20	5
21	3
22	15
23	13
24	25
25	23
26	35
27	43
28	39
29	9
30	19
31	29
32	49
33	32
34	6
35	2
36	16
37	12
38	26
39	22
40	36
41	42
42	44
43	4
44	14
45	24
46	34
47	46
48	52
49	56
50	62
51	66
52	72
53	76
54	82
55	86
56	92
57	88
58	50
59	48
60	60
61	58
62	70
63	68
64	80
65	78
66	90
67	91
68	57
69	51
70	67
71	61
72	77
73	71
74	87
75	81
76	97
77	83
78	45
79	53
80	55
81	63
82	65
83	73
84	75
85	93
86	85
87	95
88	89
89	59
90	69

[0, 8, 10, 18, 20, 28, 30, 38, 40, 41, 7, 1, 17, 11, 27, 21, 37, 31, 47, 33, 5, 3, 15, 13, 25, 23, 35, 43, 39, 9, 19, 29, 49, 32, 6, 2, 16, 12, 26, 22, 36, 42, 44, 4, 14, 24, 34, 46, 52, 56, 62, 66, 72, 76, 82, 86, 92, 88, 50, 48, 60, 58, 70, 68, 80, 78, 90, 91, 57, 51, 67, 61, 77, 71, 87, 81, 97, 83, 45, 53, 55, 63, 65, 73, 75, 93, 85, 95, 89, 59, 69]

cp's OEIS Frontend

A299988 Lexicographic first sequence of nonnegative integers such that a(n) + a(n+1) has a digit 8, and no term occurs twice.

Table of values

List of values

n	a(n)
0	0
1	8
2	10
3	18
4	20
5	28
6	30
7	38
8	40
9	41
10	7
11	1
12	17
13	11
14	27
15	21
16	37
17	31
18	47
19	33
20	5
21	3
22	15
23	13
24	25
25	23
26	35
27	43
28	39
29	9
30	19
31	29
32	49
33	32
34	6
35	2
36	16
37	12
38	26
39	22
40	36
41	42
42	44
43	4
44	14
45	24
46	34
47	46
48	52
49	56
50	62
51	66
52	72
53	76
54	82
55	86
56	92
57	88
58	50
59	48
60	60
61	58
62	70
63	68
64	80
65	78
66	90
67	91
68	57
69	51
70	67
71	61
72	77
73	71
74	87
75	81
76	97
77	83
78	45
79	53
80	55
81	63
82	65
83	73
84	75
85	93
86	85
87	95
88	89
89	59
90	69

n	a(n)
0	0
1	8
2	10
3	18
4	20
5	28
6	30
7	38
8	40
9	41
10	7
11	1
12	17
13	11
14	27
15	21
16	37
17	31
18	47
19	33
20	5
21	3
22	15
23	13
24	25
25	23
26	35
27	43
28	39
29	9
30	19
31	29
32	49
33	32
34	6
35	2
36	16
37	12
38	26
39	22
40	36
41	42
42	44
43	4
44	14
45	24
46	34
47	46
48	52
49	56
50	62
51	66
52	72
53	76
54	82
55	86
56	92
57	88
58	50
59	48
60	60
61	58
62	70
63	68
64	80
65	78
66	90
67	91
68	57
69	51
70	67
71	61
72	77
73	71
74	87
75	81
76	97
77	83
78	45
79	53
80	55
81	63
82	65
83	73
84	75
85	93
86	85
87	95
88	89
89	59
90	69

n	a(n)
0	0
1	8
2	10
3	18
4	20
5	28
6	30
7	38
8	40
9	41
10	7
11	1
12	17
13	11
14	27
15	21
16	37
17	31
18	47
19	33
20	5
21	3
22	15
23	13
24	25
25	23
26	35
27	43
28	39
29	9
30	19
31	29
32	49
33	32
34	6
35	2
36	16
37	12
38	26
39	22
40	36
41	42
42	44
43	4
44	14
45	24
46	34
47	46
48	52
49	56
50	62
51	66
52	72
53	76
54	82
55	86
56	92
57	88
58	50
59	48
60	60
61	58
62	70
63	68
64	80
65	78
66	90
67	91
68	57
69	51
70	67
71	61
72	77
73	71
74	87
75	81
76	97
77	83
78	45
79	53
80	55
81	63
82	65
83	73
84	75
85	93
86	85
87	95
88	89
89	59
90	69