A009994 - cp's OEIS frontend

A009994 Numbers with digits in nondecreasing 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	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	22
21	23
22	24
23	25
24	26
25	27
26	28
27	29
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	44
36	45
37	46
38	47
39	48
40	49
41	55
42	56
43	57
44	58
45	59
46	66
47	67
48	68
49	69
50	77
51	78
52	79
53	88
54	89
55	99
56	111
57	112
58	113
59	114
60	115
61	116
62	117
63	118
64	119
65	122

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 33, 34, 35, 36, 37, 38, 39, 44, 45, 46, 47, 48, 49, 55, 56, 57, 58, 59, 66, 67, 68, 69, 77, 78, 79, 88, 89, 99, 111, 112, 113, 114, 115, 116, 117, 118, 119, 122]

cp's OEIS Frontend

A009994 Numbers with digits in nondecreasing 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	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	22
21	23
22	24
23	25
24	26
25	27
26	28
27	29
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	44
36	45
37	46
38	47
39	48
40	49
41	55
42	56
43	57
44	58
45	59
46	66
47	67
48	68
49	69
50	77
51	78
52	79
53	88
54	89
55	99
56	111
57	112
58	113
59	114
60	115
61	116
62	117
63	118
64	119
65	122

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	22
21	23
22	24
23	25
24	26
25	27
26	28
27	29
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	44
36	45
37	46
38	47
39	48
40	49
41	55
42	56
43	57
44	58
45	59
46	66
47	67
48	68
49	69
50	77
51	78
52	79
53	88
54	89
55	99
56	111
57	112
58	113
59	114
60	115
61	116
62	117
63	118
64	119
65	122

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	22
21	23
22	24
23	25
24	26
25	27
26	28
27	29
28	33
29	34
30	35
31	36
32	37
33	38
34	39
35	44
36	45
37	46
38	47
39	48
40	49
41	55
42	56
43	57
44	58
45	59
46	66
47	67
48	68
49	69
50	77
51	78
52	79
53	88
54	89
55	99
56	111
57	112
58	113
59	114
60	115
61	116
62	117
63	118
64	119
65	122