A266151 - cp's OEIS frontend

A266151 Take the binary representation of n, increase each run of 1's by one 1 if the length of run is odd, otherwise, if length of run is even, remove one 1. a(n) is the decimal equivalent of the result.

n	a(n)
0	0
1	3
2	6
3	1
4	12
5	27
6	2
7	15
8	24
9	51
10	54
11	13
12	4
13	11
14	30
15	7
16	48
17	99
18	102
19	25
20	108
21	219
22	26
23	111
24	8
25	19
26	22
27	5
28	60
29	123
30	14
31	63
32	96
33	195
34	198
35	49
36	204
37	411
38	50
39	207
40	216
41	435
42	438
43	109
44	52
45	107
46	222
47	55
48	16
49	35
50	38
51	9
52	44
53	91
54	10
55	47
56	120
57	243
58	246
59	61
60	28
61	59
62	126
63	31

[0, 3, 6, 1, 12, 27, 2, 15, 24, 51, 54, 13, 4, 11, 30, 7, 48, 99, 102, 25, 108, 219, 26, 111, 8, 19, 22, 5, 60, 123, 14, 63, 96, 195, 198, 49, 204, 411, 50, 207, 216, 435, 438, 109, 52, 107, 222, 55, 16, 35, 38, 9, 44, 91, 10, 47, 120, 243, 246, 61, 28, 59, 126, 31]

cp's OEIS Frontend

A266151 Take the binary representation of n, increase each run of 1's by one 1 if the length of run is odd, otherwise, if length of run is even, remove one 1. a(n) is the decimal equivalent of the result.

Table of values

List of values

n	a(n)
0	0
1	3
2	6
3	1
4	12
5	27
6	2
7	15
8	24
9	51
10	54
11	13
12	4
13	11
14	30
15	7
16	48
17	99
18	102
19	25
20	108
21	219
22	26
23	111
24	8
25	19
26	22
27	5
28	60
29	123
30	14
31	63
32	96
33	195
34	198
35	49
36	204
37	411
38	50
39	207
40	216
41	435
42	438
43	109
44	52
45	107
46	222
47	55
48	16
49	35
50	38
51	9
52	44
53	91
54	10
55	47
56	120
57	243
58	246
59	61
60	28
61	59
62	126
63	31

n	a(n)
0	0
1	3
2	6
3	1
4	12
5	27
6	2
7	15
8	24
9	51
10	54
11	13
12	4
13	11
14	30
15	7
16	48
17	99
18	102
19	25
20	108
21	219
22	26
23	111
24	8
25	19
26	22
27	5
28	60
29	123
30	14
31	63
32	96
33	195
34	198
35	49
36	204
37	411
38	50
39	207
40	216
41	435
42	438
43	109
44	52
45	107
46	222
47	55
48	16
49	35
50	38
51	9
52	44
53	91
54	10
55	47
56	120
57	243
58	246
59	61
60	28
61	59
62	126
63	31

n	a(n)
0	0
1	3
2	6
3	1
4	12
5	27
6	2
7	15
8	24
9	51
10	54
11	13
12	4
13	11
14	30
15	7
16	48
17	99
18	102
19	25
20	108
21	219
22	26
23	111
24	8
25	19
26	22
27	5
28	60
29	123
30	14
31	63
32	96
33	195
34	198
35	49
36	204
37	411
38	50
39	207
40	216
41	435
42	438
43	109
44	52
45	107
46	222
47	55
48	16
49	35
50	38
51	9
52	44
53	91
54	10
55	47
56	120
57	243
58	246
59	61
60	28
61	59
62	126
63	31