A361003 - cp's OEIS frontend

A361003 a(n) = A000005(n) + floor((n-1)/2).

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

[1, 2, 3, 4, 4, 6, 5, 7, 7, 8, 7, 11, 8, 10, 11, 12, 10, 14, 11, 15, 14, 14, 13, 19, 15, 16, 17, 19, 16, 22, 17, 21, 20, 20, 21, 26, 20, 22, 23, 27, 22, 28, 23, 27, 28, 26, 25, 33, 27, 30, 29, 31, 28, 34, 31, 35, 32, 32, 31, 41, 32, 34, 37, 38, 36, 40, 35, 39]

cp's OEIS Frontend

A361003 a(n) = A000005(n) + floor((n-1)/2).

Table of values

List of values

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

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

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