A338846 - cp's OEIS frontend

A338846 No nonprime digit is present in a(n) + a(n+1).

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	19
7	6
8	16
9	7
10	15
11	8
12	14
13	9
14	13
15	10
16	12
17	11
18	21
19	31
20	22
21	5
22	17
23	18
24	34
25	23
26	29
27	24
28	28
29	25
30	27
31	26
32	46
33	176
34	47
35	30
36	42
37	33
38	20
39	32
40	40
41	35
42	37
43	36
44	39
45	38
46	184
47	41
48	181
49	44
50	178
51	45
52	177
53	48
54	174
55	49
56	173
57	50
58	172
59	51
60	171
61	52
62	170
63	53
64	169
65	54
66	168
67	55
68	167
69	56
70	166
71	57
72	165
73	58
74	164
75	59

[0, 2, 1, 4, 3, 19, 6, 16, 7, 15, 8, 14, 9, 13, 10, 12, 11, 21, 31, 22, 5, 17, 18, 34, 23, 29, 24, 28, 25, 27, 26, 46, 176, 47, 30, 42, 33, 20, 32, 40, 35, 37, 36, 39, 38, 184, 41, 181, 44, 178, 45, 177, 48, 174, 49, 173, 50, 172, 51, 171, 52, 170, 53, 169, 54, 168, 55, 167, 56, 166, 57, 165, 58, 164, 59]

cp's OEIS Frontend

A338846 No nonprime digit is present in a(n) + a(n+1).

Table of values

List of values

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	19
7	6
8	16
9	7
10	15
11	8
12	14
13	9
14	13
15	10
16	12
17	11
18	21
19	31
20	22
21	5
22	17
23	18
24	34
25	23
26	29
27	24
28	28
29	25
30	27
31	26
32	46
33	176
34	47
35	30
36	42
37	33
38	20
39	32
40	40
41	35
42	37
43	36
44	39
45	38
46	184
47	41
48	181
49	44
50	178
51	45
52	177
53	48
54	174
55	49
56	173
57	50
58	172
59	51
60	171
61	52
62	170
63	53
64	169
65	54
66	168
67	55
68	167
69	56
70	166
71	57
72	165
73	58
74	164
75	59

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	19
7	6
8	16
9	7
10	15
11	8
12	14
13	9
14	13
15	10
16	12
17	11
18	21
19	31
20	22
21	5
22	17
23	18
24	34
25	23
26	29
27	24
28	28
29	25
30	27
31	26
32	46
33	176
34	47
35	30
36	42
37	33
38	20
39	32
40	40
41	35
42	37
43	36
44	39
45	38
46	184
47	41
48	181
49	44
50	178
51	45
52	177
53	48
54	174
55	49
56	173
57	50
58	172
59	51
60	171
61	52
62	170
63	53
64	169
65	54
66	168
67	55
68	167
69	56
70	166
71	57
72	165
73	58
74	164
75	59

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	19
7	6
8	16
9	7
10	15
11	8
12	14
13	9
14	13
15	10
16	12
17	11
18	21
19	31
20	22
21	5
22	17
23	18
24	34
25	23
26	29
27	24
28	28
29	25
30	27
31	26
32	46
33	176
34	47
35	30
36	42
37	33
38	20
39	32
40	40
41	35
42	37
43	36
44	39
45	38
46	184
47	41
48	181
49	44
50	178
51	45
52	177
53	48
54	174
55	49
56	173
57	50
58	172
59	51
60	171
61	52
62	170
63	53
64	169
65	54
66	168
67	55
68	167
69	56
70	166
71	57
72	165
73	58
74	164
75	59