A081599 - OEIS

A081599 as a simple table

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

[0,1,2,3,4,5,6,7,8,9,8,9,10,11,12,13,14,15,16,17, 16,17,18,19,20,21,22,23,24,25,24,25,26,27,28,29, 30,31,32,33,32,33,34,35,36,37,38,39,40,41,40,41, 42,43,44,45,46,47,48,49,48,49,50,51,52,53,54,55, 56,57,56,57,58,59,60,61]

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

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

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