A184004 - cp's OEIS frontend

A184004 a(n) = n + floor(sqrt(4n/3)); complement of A184005.

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

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

cp's OEIS Frontend

A184004 a(n) = n + floor(sqrt(4n/3)); complement of A184005.

Table of values

List of values

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

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

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