A009993 - cp's OEIS frontend

A009993 Numbers whose decimal digits are in strictly increasing order.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	34
27	35
28	36
29	37
30	38
31	39
32	45
33	46
34	47
35	48
36	49
37	56
38	57
39	58
40	59
41	67
42	68
43	69
44	78
45	79
46	89
47	123
48	124
49	125
50	126
51	127
52	128
53	129
54	134
55	135
56	136
57	137
58	138
59	139
60	145
61	146
62	147
63	148
64	149
65	156
66	157

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 23, 24, 25, 26, 27, 28, 29, 34, 35, 36, 37, 38, 39, 45, 46, 47, 48, 49, 56, 57, 58, 59, 67, 68, 69, 78, 79, 89, 123, 124, 125, 126, 127, 128, 129, 134, 135, 136, 137, 138, 139, 145, 146, 147, 148, 149, 156, 157]

cp's OEIS Frontend

A009993 Numbers whose decimal digits are in strictly increasing order.

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	9
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	34
27	35
28	36
29	37
30	38
31	39
32	45
33	46
34	47
35	48
36	49
37	56
38	57
39	58
40	59
41	67
42	68
43	69
44	78
45	79
46	89
47	123
48	124
49	125
50	126
51	127
52	128
53	129
54	134
55	135
56	136
57	137
58	138
59	139
60	145
61	146
62	147
63	148
64	149
65	156
66	157

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	34
27	35
28	36
29	37
30	38
31	39
32	45
33	46
34	47
35	48
36	49
37	56
38	57
39	58
40	59
41	67
42	68
43	69
44	78
45	79
46	89
47	123
48	124
49	125
50	126
51	127
52	128
53	129
54	134
55	135
56	136
57	137
58	138
59	139
60	145
61	146
62	147
63	148
64	149
65	156
66	157

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	34
27	35
28	36
29	37
30	38
31	39
32	45
33	46
34	47
35	48
36	49
37	56
38	57
39	58
40	59
41	67
42	68
43	69
44	78
45	79
46	89
47	123
48	124
49	125
50	126
51	127
52	128
53	129
54	134
55	135
56	136
57	137
58	138
59	139
60	145
61	146
62	147
63	148
64	149
65	156
66	157