A355504 - cp's OEIS frontend

A355504 Lexicographically earliest sequence of distinct nonnegative integers such that for any n >= 0, among the decimal digits of n and a(n) (counted with multiplicity) there are as many even digits as odd digits.

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

[1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 10, 20, 12, 22, 14, 24, 16, 26, 18, 28, 11, 21, 13, 23, 15, 25, 17, 27, 19, 29, 30, 40, 32, 42, 34, 44, 36, 46, 38, 48, 31, 41, 33, 43, 35, 45, 37, 47, 39, 49, 50, 60, 52, 62, 54, 64, 56, 66, 58, 68, 51, 61, 53, 63, 55, 65, 57, 67]

cp's OEIS Frontend

A355504 Lexicographically earliest sequence of distinct nonnegative integers such that for any n >= 0, among the decimal digits of n and a(n) (counted with multiplicity) there are as many even digits as odd digits.

Table of values

List of values

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

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

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