A115836 - cp's OEIS frontend

A115836 Self-describing sequence. The n-th integer of the sequence indicates how many integers of the sequence are strictly < 2n.

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	10
8	11
9	12
10	13
11	14
12	16
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	32
25	34
26	36
27	38
28	40
29	42
30	44
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	53
39	54
40	55
41	56
42	57
43	58
44	59
45	60
46	61
47	62
48	64
49	66
50	68
51	70
52	72
53	74
54	76
55	78
56	80
57	82
58	84
59	86
60	88
61	90
62	92
63	94
64	95
65	96
66	97
67	98
68	99
69	100
70	101

[1, 2, 4, 5, 6, 8, 10, 11, 12, 13, 14, 16, 18, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 34, 36, 38, 40, 42, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 95, 96, 97, 98, 99, 100, 101]

cp's OEIS Frontend

A115836 Self-describing sequence. The n-th integer of the sequence indicates how many integers of the sequence are strictly < 2n.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	10
8	11
9	12
10	13
11	14
12	16
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	32
25	34
26	36
27	38
28	40
29	42
30	44
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	53
39	54
40	55
41	56
42	57
43	58
44	59
45	60
46	61
47	62
48	64
49	66
50	68
51	70
52	72
53	74
54	76
55	78
56	80
57	82
58	84
59	86
60	88
61	90
62	92
63	94
64	95
65	96
66	97
67	98
68	99
69	100
70	101

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	10
8	11
9	12
10	13
11	14
12	16
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	32
25	34
26	36
27	38
28	40
29	42
30	44
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	53
39	54
40	55
41	56
42	57
43	58
44	59
45	60
46	61
47	62
48	64
49	66
50	68
51	70
52	72
53	74
54	76
55	78
56	80
57	82
58	84
59	86
60	88
61	90
62	92
63	94
64	95
65	96
66	97
67	98
68	99
69	100
70	101

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	10
8	11
9	12
10	13
11	14
12	16
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	32
25	34
26	36
27	38
28	40
29	42
30	44
31	46
32	47
33	48
34	49
35	50
36	51
37	52
38	53
39	54
40	55
41	56
42	57
43	58
44	59
45	60
46	61
47	62
48	64
49	66
50	68
51	70
52	72
53	74
54	76
55	78
56	80
57	82
58	84
59	86
60	88
61	90
62	92
63	94
64	95
65	96
66	97
67	98
68	99
69	100
70	101