A231442 - cp's OEIS frontend

A231442 The digits of a(n) and a(n+1) taken together are the digits of a prime; least permutation of the positive integers with this property.

n	a(n)
1	1
2	3
3	2
4	9
5	5
6	11
7	8
8	12
9	4
10	7
11	6
12	10
13	13
14	15
15	14
16	17
17	18
18	16
19	19
20	21
21	22
22	30
23	20
24	23
25	24
26	29
27	26
28	27
29	25
30	31
31	28
32	33
33	32
34	35
35	36
36	34
37	37
38	39
39	38
40	41
41	42
42	43
43	45
44	47
45	44
46	51
47	40
48	49
49	46
50	57
51	50
52	53
53	48
54	59
55	56
56	63
57	52
58	61
59	54
60	67
61	55
62	69
63	58
64	70
65	60
66	71
67	62
68	72
69	64
70	73
71	66
72	79
73	75
74	65
75	74
76	68
77	77

[1, 3, 2, 9, 5, 11, 8, 12, 4, 7, 6, 10, 13, 15, 14, 17, 18, 16, 19, 21, 22, 30, 20, 23, 24, 29, 26, 27, 25, 31, 28, 33, 32, 35, 36, 34, 37, 39, 38, 41, 42, 43, 45, 47, 44, 51, 40, 49, 46, 57, 50, 53, 48, 59, 56, 63, 52, 61, 54, 67, 55, 69, 58, 70, 60, 71, 62, 72, 64, 73, 66, 79, 75, 65, 74, 68, 77]

cp's OEIS Frontend

A231442 The digits of a(n) and a(n+1) taken together are the digits of a prime; least permutation of the positive integers with this property.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	9
5	5
6	11
7	8
8	12
9	4
10	7
11	6
12	10
13	13
14	15
15	14
16	17
17	18
18	16
19	19
20	21
21	22
22	30
23	20
24	23
25	24
26	29
27	26
28	27
29	25
30	31
31	28
32	33
33	32
34	35
35	36
36	34
37	37
38	39
39	38
40	41
41	42
42	43
43	45
44	47
45	44
46	51
47	40
48	49
49	46
50	57
51	50
52	53
53	48
54	59
55	56
56	63
57	52
58	61
59	54
60	67
61	55
62	69
63	58
64	70
65	60
66	71
67	62
68	72
69	64
70	73
71	66
72	79
73	75
74	65
75	74
76	68
77	77

n	a(n)
1	1
2	3
3	2
4	9
5	5
6	11
7	8
8	12
9	4
10	7
11	6
12	10
13	13
14	15
15	14
16	17
17	18
18	16
19	19
20	21
21	22
22	30
23	20
24	23
25	24
26	29
27	26
28	27
29	25
30	31
31	28
32	33
33	32
34	35
35	36
36	34
37	37
38	39
39	38
40	41
41	42
42	43
43	45
44	47
45	44
46	51
47	40
48	49
49	46
50	57
51	50
52	53
53	48
54	59
55	56
56	63
57	52
58	61
59	54
60	67
61	55
62	69
63	58
64	70
65	60
66	71
67	62
68	72
69	64
70	73
71	66
72	79
73	75
74	65
75	74
76	68
77	77

n	a(n)
1	1
2	3
3	2
4	9
5	5
6	11
7	8
8	12
9	4
10	7
11	6
12	10
13	13
14	15
15	14
16	17
17	18
18	16
19	19
20	21
21	22
22	30
23	20
24	23
25	24
26	29
27	26
28	27
29	25
30	31
31	28
32	33
33	32
34	35
35	36
36	34
37	37
38	39
39	38
40	41
41	42
42	43
43	45
44	47
45	44
46	51
47	40
48	49
49	46
50	57
51	50
52	53
53	48
54	59
55	56
56	63
57	52
58	61
59	54
60	67
61	55
62	69
63	58
64	70
65	60
66	71
67	62
68	72
69	64
70	73
71	66
72	79
73	75
74	65
75	74
76	68
77	77