A283972 - cp's OEIS frontend

A283972 a(n) = n minus (product of lengths of 1-runs in binary representation of n) = n - A227349(n).

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

[0, 1, 1, 3, 4, 4, 4, 7, 8, 9, 9, 10, 11, 11, 11, 15, 16, 17, 17, 19, 20, 20, 20, 22, 23, 24, 23, 25, 26, 26, 26, 31, 32, 33, 33, 35, 36, 36, 36, 39, 40, 41, 41, 42, 43, 43, 43, 46, 47, 48, 47, 50, 51, 50, 49, 53, 54, 55, 53, 56, 57, 57, 57, 63, 64, 65, 65, 67, 68, 68, 68, 71, 72, 73, 73, 74, 75, 75, 75, 79, 80, 81, 81, 83, 84, 84, 84, 86, 87, 88, 87, 89]

cp's OEIS Frontend

A283972 a(n) = n minus (product of lengths of 1-runs in binary representation of n) = n - A227349(n).

Table of values

List of values

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

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

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