A383501 - cp's OEIS frontend

A383501 Nonnegative integers without the digit 9 such that every odd digit except the leftmost is immediately preceded by a larger digit.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	12
12	14
13	16
14	18
15	20
16	21
17	22
18	24
19	26
20	28
21	30
22	31
23	32
24	34
25	36
26	38
27	40
28	41
29	42
30	43
31	44
32	46
33	48
34	50
35	51
36	52
37	53
38	54
39	56
40	58
41	60
42	61
43	62
44	63
45	64
46	65
47	66
48	68
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	78
57	80
58	81
59	82
60	83
61	84
62	85
63	86
64	87
65	88
66	100
67	102
68	104
69	106
70	108

[0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 18, 20, 21, 22, 24, 26, 28, 30, 31, 32, 34, 36, 38, 40, 41, 42, 43, 44, 46, 48, 50, 51, 52, 53, 54, 56, 58, 60, 61, 62, 63, 64, 65, 66, 68, 70, 71, 72, 73, 74, 75, 76, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 100, 102, 104, 106, 108]

cp's OEIS Frontend

A383501 Nonnegative integers without the digit 9 such that every odd digit except the leftmost is immediately preceded by a larger digit.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	12
12	14
13	16
14	18
15	20
16	21
17	22
18	24
19	26
20	28
21	30
22	31
23	32
24	34
25	36
26	38
27	40
28	41
29	42
30	43
31	44
32	46
33	48
34	50
35	51
36	52
37	53
38	54
39	56
40	58
41	60
42	61
43	62
44	63
45	64
46	65
47	66
48	68
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	78
57	80
58	81
59	82
60	83
61	84
62	85
63	86
64	87
65	88
66	100
67	102
68	104
69	106
70	108

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	12
12	14
13	16
14	18
15	20
16	21
17	22
18	24
19	26
20	28
21	30
22	31
23	32
24	34
25	36
26	38
27	40
28	41
29	42
30	43
31	44
32	46
33	48
34	50
35	51
36	52
37	53
38	54
39	56
40	58
41	60
42	61
43	62
44	63
45	64
46	65
47	66
48	68
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	78
57	80
58	81
59	82
60	83
61	84
62	85
63	86
64	87
65	88
66	100
67	102
68	104
69	106
70	108

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	12
12	14
13	16
14	18
15	20
16	21
17	22
18	24
19	26
20	28
21	30
22	31
23	32
24	34
25	36
26	38
27	40
28	41
29	42
30	43
31	44
32	46
33	48
34	50
35	51
36	52
37	53
38	54
39	56
40	58
41	60
42	61
43	62
44	63
45	64
46	65
47	66
48	68
49	70
50	71
51	72
52	73
53	74
54	75
55	76
56	78
57	80
58	81
59	82
60	83
61	84
62	85
63	86
64	87
65	88
66	100
67	102
68	104
69	106
70	108