A242774 - cp's OEIS frontend

A242774 a(n) = ceiling( n / 2 ) + ceiling( n / 3 ).

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

[2, 2, 3, 4, 5, 5, 7, 7, 8, 9, 10, 10, 12, 12, 13, 14, 15, 15, 17, 17, 18, 19, 20, 20, 22, 22, 23, 24, 25, 25, 27, 27, 28, 29, 30, 30, 32, 32, 33, 34, 35, 35, 37, 37, 38, 39, 40, 40, 42, 42, 43, 44, 45, 45, 47, 47, 48, 49, 50, 50, 52, 52, 53, 54, 55, 55, 57]

cp's OEIS Frontend

A242774 a(n) = ceiling( n / 2 ) + ceiling( n / 3 ).

Table of values

List of values

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

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

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