A284581 - cp's OEIS frontend

A284581 a(n) = n minus (carryless base-2 product of run lengths in binary representation of n) = n - A284579(n).

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	4
7	4
8	5
9	7
10	9
11	9
12	8
13	11
14	11
15	11
16	12
17	14
18	16
19	15
20	18
21	20
22	20
23	20
24	18
25	21
26	24
27	23
28	22
29	26
30	26
31	26
32	27
33	29
34	31
35	29
36	32
37	35
38	34
39	33
40	37
41	39
42	41
43	41
44	40
45	43
46	43
47	43
48	40
49	43
50	46
51	43
52	48
53	51
54	50
55	49
56	51
57	51
58	55
59	53
60	52
61	57
62	57
63	57
64	58
65	60
66	62
67	59
68	62
69	66
70	64
71	66
72	66
73	69
74	72
75	71
76	68
77	73
78	72
79	71
80	76
81	78
82	80
83	79
84	82
85	84
86	84
87	84
88	82
89	85
90	88
91	87
92	86

[0, 1, 1, 2, 4, 4, 4, 5, 7, 9, 9, 8, 11, 11, 11, 12, 14, 16, 15, 18, 20, 20, 20, 18, 21, 24, 23, 22, 26, 26, 26, 27, 29, 31, 29, 32, 35, 34, 33, 37, 39, 41, 41, 40, 43, 43, 43, 40, 43, 46, 43, 48, 51, 50, 49, 51, 51, 55, 53, 52, 57, 57, 57, 58, 60, 62, 59, 62, 66, 64, 66, 66, 69, 72, 71, 68, 73, 72, 71, 76, 78, 80, 79, 82, 84, 84, 84, 82, 85, 88, 87, 86]

cp's OEIS Frontend

A284581 a(n) = n minus (carryless base-2 product of run lengths in binary representation of n) = n - A284579(n).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	4
7	4
8	5
9	7
10	9
11	9
12	8
13	11
14	11
15	11
16	12
17	14
18	16
19	15
20	18
21	20
22	20
23	20
24	18
25	21
26	24
27	23
28	22
29	26
30	26
31	26
32	27
33	29
34	31
35	29
36	32
37	35
38	34
39	33
40	37
41	39
42	41
43	41
44	40
45	43
46	43
47	43
48	40
49	43
50	46
51	43
52	48
53	51
54	50
55	49
56	51
57	51
58	55
59	53
60	52
61	57
62	57
63	57
64	58
65	60
66	62
67	59
68	62
69	66
70	64
71	66
72	66
73	69
74	72
75	71
76	68
77	73
78	72
79	71
80	76
81	78
82	80
83	79
84	82
85	84
86	84
87	84
88	82
89	85
90	88
91	87
92	86

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	4
7	4
8	5
9	7
10	9
11	9
12	8
13	11
14	11
15	11
16	12
17	14
18	16
19	15
20	18
21	20
22	20
23	20
24	18
25	21
26	24
27	23
28	22
29	26
30	26
31	26
32	27
33	29
34	31
35	29
36	32
37	35
38	34
39	33
40	37
41	39
42	41
43	41
44	40
45	43
46	43
47	43
48	40
49	43
50	46
51	43
52	48
53	51
54	50
55	49
56	51
57	51
58	55
59	53
60	52
61	57
62	57
63	57
64	58
65	60
66	62
67	59
68	62
69	66
70	64
71	66
72	66
73	69
74	72
75	71
76	68
77	73
78	72
79	71
80	76
81	78
82	80
83	79
84	82
85	84
86	84
87	84
88	82
89	85
90	88
91	87
92	86

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	4
7	4
8	5
9	7
10	9
11	9
12	8
13	11
14	11
15	11
16	12
17	14
18	16
19	15
20	18
21	20
22	20
23	20
24	18
25	21
26	24
27	23
28	22
29	26
30	26
31	26
32	27
33	29
34	31
35	29
36	32
37	35
38	34
39	33
40	37
41	39
42	41
43	41
44	40
45	43
46	43
47	43
48	40
49	43
50	46
51	43
52	48
53	51
54	50
55	49
56	51
57	51
58	55
59	53
60	52
61	57
62	57
63	57
64	58
65	60
66	62
67	59
68	62
69	66
70	64
71	66
72	66
73	69
74	72
75	71
76	68
77	73
78	72
79	71
80	76
81	78
82	80
83	79
84	82
85	84
86	84
87	84
88	82
89	85
90	88
91	87
92	86