A305894 - cp's OEIS frontend

A305894 Filter sequence for a(Sophie Germain primes) = constant sequences.

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	5
8	6
9	7
10	8
11	2
12	9
13	10
14	11
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	19
23	2
24	20
25	21
26	22
27	23
28	24
29	2
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	32
38	33
39	34
40	35
41	2
42	36
43	37
44	38
45	39
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	2
54	47
55	48
56	49
57	50
58	51
59	52
60	53
61	54
62	55
63	56
64	57
65	58
66	59
67	60
68	61
69	62
70	63
71	64
72	65
73	66
74	67
75	68
76	69
77	70
78	71
79	72
80	73
81	74
82	75
83	2
84	76
85	77
86	78
87	79
88	80
89	2
90	81

[1, 2, 2, 3, 2, 4, 5, 6, 7, 8, 2, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 2, 20, 21, 22, 23, 24, 2, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 2, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 2, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 2, 76, 77, 78, 79, 80, 2, 81]

cp's OEIS Frontend

A305894 Filter sequence for a(Sophie Germain primes) = constant sequences.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	5
8	6
9	7
10	8
11	2
12	9
13	10
14	11
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	19
23	2
24	20
25	21
26	22
27	23
28	24
29	2
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	32
38	33
39	34
40	35
41	2
42	36
43	37
44	38
45	39
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	2
54	47
55	48
56	49
57	50
58	51
59	52
60	53
61	54
62	55
63	56
64	57
65	58
66	59
67	60
68	61
69	62
70	63
71	64
72	65
73	66
74	67
75	68
76	69
77	70
78	71
79	72
80	73
81	74
82	75
83	2
84	76
85	77
86	78
87	79
88	80
89	2
90	81

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	5
8	6
9	7
10	8
11	2
12	9
13	10
14	11
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	19
23	2
24	20
25	21
26	22
27	23
28	24
29	2
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	32
38	33
39	34
40	35
41	2
42	36
43	37
44	38
45	39
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	2
54	47
55	48
56	49
57	50
58	51
59	52
60	53
61	54
62	55
63	56
64	57
65	58
66	59
67	60
68	61
69	62
70	63
71	64
72	65
73	66
74	67
75	68
76	69
77	70
78	71
79	72
80	73
81	74
82	75
83	2
84	76
85	77
86	78
87	79
88	80
89	2
90	81

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	5
8	6
9	7
10	8
11	2
12	9
13	10
14	11
15	12
16	13
17	14
18	15
19	16
20	17
21	18
22	19
23	2
24	20
25	21
26	22
27	23
28	24
29	2
30	25
31	26
32	27
33	28
34	29
35	30
36	31
37	32
38	33
39	34
40	35
41	2
42	36
43	37
44	38
45	39
46	40
47	41
48	42
49	43
50	44
51	45
52	46
53	2
54	47
55	48
56	49
57	50
58	51
59	52
60	53
61	54
62	55
63	56
64	57
65	58
66	59
67	60
68	61
69	62
70	63
71	64
72	65
73	66
74	67
75	68
76	69
77	70
78	71
79	72
80	73
81	74
82	75
83	2
84	76
85	77
86	78
87	79
88	80
89	2
90	81