A175326 - cp's OEIS frontend

A175326 A positive integer n is included if the run-lengths (of runs both of 0's and of 1's) of the binary representation of n form an arithmetic progression (when written in order).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	21
15	24
16	28
17	30
18	31
19	32
20	39
21	42
22	48
23	51
24	56
25	57
26	60
27	62
28	63
29	64
30	85
31	96
32	112
33	120
34	124
35	126
36	127
37	128
38	170
39	192
40	204
41	224
42	240
43	248
44	252
45	254
46	255
47	256
48	287
49	341
50	384
51	399
52	448
53	455
54	480
55	483
56	496
57	497
58	504

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 21, 24, 28, 30, 31, 32, 39, 42, 48, 51, 56, 57, 60, 62, 63, 64, 85, 96, 112, 120, 124, 126, 127, 128, 170, 192, 204, 224, 240, 248, 252, 254, 255, 256, 287, 341, 384, 399, 448, 455, 480, 483, 496, 497, 504]

cp's OEIS Frontend

A175326 A positive integer n is included if the run-lengths (of runs both of 0's and of 1's) of the binary representation of n form an arithmetic progression (when written in order).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	21
15	24
16	28
17	30
18	31
19	32
20	39
21	42
22	48
23	51
24	56
25	57
26	60
27	62
28	63
29	64
30	85
31	96
32	112
33	120
34	124
35	126
36	127
37	128
38	170
39	192
40	204
41	224
42	240
43	248
44	252
45	254
46	255
47	256
48	287
49	341
50	384
51	399
52	448
53	455
54	480
55	483
56	496
57	497
58	504

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	21
15	24
16	28
17	30
18	31
19	32
20	39
21	42
22	48
23	51
24	56
25	57
26	60
27	62
28	63
29	64
30	85
31	96
32	112
33	120
34	124
35	126
36	127
37	128
38	170
39	192
40	204
41	224
42	240
43	248
44	252
45	254
46	255
47	256
48	287
49	341
50	384
51	399
52	448
53	455
54	480
55	483
56	496
57	497
58	504

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	14
12	15
13	16
14	21
15	24
16	28
17	30
18	31
19	32
20	39
21	42
22	48
23	51
24	56
25	57
26	60
27	62
28	63
29	64
30	85
31	96
32	112
33	120
34	124
35	126
36	127
37	128
38	170
39	192
40	204
41	224
42	240
43	248
44	252
45	254
46	255
47	256
48	287
49	341
50	384
51	399
52	448
53	455
54	480
55	483
56	496
57	497
58	504