A284722 - cp's OEIS frontend

A284722 (2n+1-A284721(n))/2.

n	a(n)
0	-1
1	-1
2	1
3	2
4	2
5	4
6	5
7	4
8	7
9	8
10	8
11	10
12	11
13	11
14	13
15	14
16	14
17	16
18	17
19	17
20	19
21	20
22	19
23	22
24	23
25	23
26	25
27	26
28	26
29	28
30	29
31	29
32	31
33	32
34	32
35	34
36	35
37	34
38	37
39	38
40	38
41	40
42	41
43	41
44	43
45	44
46	44
47	46
48	47
49	47
50	49
51	50
52	47
53	52
54	53
55	53
56	55
57	56
58	56
59	58
60	59
61	59
62	61
63	62
64	62
65	64
66	65
67	64
68	67
69	68
70	68
71	70
72	71
73	71
74	73
75	74
76	74

[-1, -1, 1, 2, 2, 4, 5, 4, 7, 8, 8, 10, 11, 11, 13, 14, 14, 16, 17, 17, 19, 20, 19, 22, 23, 23, 25, 26, 26, 28, 29, 29, 31, 32, 32, 34, 35, 34, 37, 38, 38, 40, 41, 41, 43, 44, 44, 46, 47, 47, 49, 50, 47, 52, 53, 53, 55, 56, 56, 58, 59, 59, 61, 62, 62, 64, 65, 64, 67, 68, 68, 70, 71, 71, 73, 74, 74]

cp's OEIS Frontend

A284722 (2n+1-A284721(n))/2.

Table of values

List of values

n	a(n)
0	-1
1	-1
2	1
3	2
4	2
5	4
6	5
7	4
8	7
9	8
10	8
11	10
12	11
13	11
14	13
15	14
16	14
17	16
18	17
19	17
20	19
21	20
22	19
23	22
24	23
25	23
26	25
27	26
28	26
29	28
30	29
31	29
32	31
33	32
34	32
35	34
36	35
37	34
38	37
39	38
40	38
41	40
42	41
43	41
44	43
45	44
46	44
47	46
48	47
49	47
50	49
51	50
52	47
53	52
54	53
55	53
56	55
57	56
58	56
59	58
60	59
61	59
62	61
63	62
64	62
65	64
66	65
67	64
68	67
69	68
70	68
71	70
72	71
73	71
74	73
75	74
76	74

n	a(n)
0	-1
1	-1
2	1
3	2
4	2
5	4
6	5
7	4
8	7
9	8
10	8
11	10
12	11
13	11
14	13
15	14
16	14
17	16
18	17
19	17
20	19
21	20
22	19
23	22
24	23
25	23
26	25
27	26
28	26
29	28
30	29
31	29
32	31
33	32
34	32
35	34
36	35
37	34
38	37
39	38
40	38
41	40
42	41
43	41
44	43
45	44
46	44
47	46
48	47
49	47
50	49
51	50
52	47
53	52
54	53
55	53
56	55
57	56
58	56
59	58
60	59
61	59
62	61
63	62
64	62
65	64
66	65
67	64
68	67
69	68
70	68
71	70
72	71
73	71
74	73
75	74
76	74

n	a(n)
0	-1
1	-1
2	1
3	2
4	2
5	4
6	5
7	4
8	7
9	8
10	8
11	10
12	11
13	11
14	13
15	14
16	14
17	16
18	17
19	17
20	19
21	20
22	19
23	22
24	23
25	23
26	25
27	26
28	26
29	28
30	29
31	29
32	31
33	32
34	32
35	34
36	35
37	34
38	37
39	38
40	38
41	40
42	41
43	41
44	43
45	44
46	44
47	46
48	47
49	47
50	49
51	50
52	47
53	52
54	53
55	53
56	55
57	56
58	56
59	58
60	59
61	59
62	61
63	62
64	62
65	64
66	65
67	64
68	67
69	68
70	68
71	70
72	71
73	71
74	73
75	74
76	74