A228709 - cp's OEIS frontend

A228709 Numbers having in decimal representation at least one pair of consecutive digits with the same parity.

n	a(n)
1	11
2	13
3	15
4	17
5	19
6	20
7	22
8	24
9	26
10	28
11	31
12	33
13	35
14	37
15	39
16	40
17	42
18	44
19	46
20	48
21	51
22	53
23	55
24	57
25	59
26	60
27	62
28	64
29	66
30	68
31	71
32	73
33	75
34	77
35	79
36	80
37	82
38	84
39	86
40	88
41	91
42	93
43	95
44	97
45	99
46	100
47	102
48	104
49	106
50	108
51	110
52	111
53	112
54	113
55	114
56	115
57	116
58	117
59	118
60	119
61	120

[11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 31, 33, 35, 37, 39, 40, 42, 44, 46, 48, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 71, 73, 75, 77, 79, 80, 82, 84, 86, 88, 91, 93, 95, 97, 99, 100, 102, 104, 106, 108, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120]

cp's OEIS Frontend

A228709 Numbers having in decimal representation at least one pair of consecutive digits with the same parity.

Table of values

List of values

n	a(n)
1	11
2	13
3	15
4	17
5	19
6	20
7	22
8	24
9	26
10	28
11	31
12	33
13	35
14	37
15	39
16	40
17	42
18	44
19	46
20	48
21	51
22	53
23	55
24	57
25	59
26	60
27	62
28	64
29	66
30	68
31	71
32	73
33	75
34	77
35	79
36	80
37	82
38	84
39	86
40	88
41	91
42	93
43	95
44	97
45	99
46	100
47	102
48	104
49	106
50	108
51	110
52	111
53	112
54	113
55	114
56	115
57	116
58	117
59	118
60	119
61	120

n	a(n)
1	11
2	13
3	15
4	17
5	19
6	20
7	22
8	24
9	26
10	28
11	31
12	33
13	35
14	37
15	39
16	40
17	42
18	44
19	46
20	48
21	51
22	53
23	55
24	57
25	59
26	60
27	62
28	64
29	66
30	68
31	71
32	73
33	75
34	77
35	79
36	80
37	82
38	84
39	86
40	88
41	91
42	93
43	95
44	97
45	99
46	100
47	102
48	104
49	106
50	108
51	110
52	111
53	112
54	113
55	114
56	115
57	116
58	117
59	118
60	119
61	120

n	a(n)
1	11
2	13
3	15
4	17
5	19
6	20
7	22
8	24
9	26
10	28
11	31
12	33
13	35
14	37
15	39
16	40
17	42
18	44
19	46
20	48
21	51
22	53
23	55
24	57
25	59
26	60
27	62
28	64
29	66
30	68
31	71
32	73
33	75
34	77
35	79
36	80
37	82
38	84
39	86
40	88
41	91
42	93
43	95
44	97
45	99
46	100
47	102
48	104
49	106
50	108
51	110
52	111
53	112
54	113
55	114
56	115
57	116
58	117
59	118
60	119
61	120