A032937 - cp's OEIS frontend

A032937 Numbers k whose base-2 representation Sum_{i=0..m} d(i)*2^(m-i) has d(i)=0 for all odd i, excluding 0. Here m is the position of the leading bit of k.

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	10
7	16
8	17
9	20
10	21
11	32
12	34
13	40
14	42
15	64
16	65
17	68
18	69
19	80
20	81
21	84
22	85
23	128
24	130
25	136
26	138
27	160
28	162
29	168
30	170
31	256
32	257
33	260
34	261
35	272
36	273
37	276
38	277
39	320
40	321
41	324
42	325
43	336
44	337
45	340
46	341
47	512
48	514
49	520
50	522
51	544
52	546

[1, 2, 4, 5, 8, 10, 16, 17, 20, 21, 32, 34, 40, 42, 64, 65, 68, 69, 80, 81, 84, 85, 128, 130, 136, 138, 160, 162, 168, 170, 256, 257, 260, 261, 272, 273, 276, 277, 320, 321, 324, 325, 336, 337, 340, 341, 512, 514, 520, 522, 544, 546]

cp's OEIS Frontend

A032937 Numbers k whose base-2 representation Sum_{i=0..m} d(i)*2^(m-i) has d(i)=0 for all odd i, excluding 0. Here m is the position of the leading bit of k.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	10
7	16
8	17
9	20
10	21
11	32
12	34
13	40
14	42
15	64
16	65
17	68
18	69
19	80
20	81
21	84
22	85
23	128
24	130
25	136
26	138
27	160
28	162
29	168
30	170
31	256
32	257
33	260
34	261
35	272
36	273
37	276
38	277
39	320
40	321
41	324
42	325
43	336
44	337
45	340
46	341
47	512
48	514
49	520
50	522
51	544
52	546

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	10
7	16
8	17
9	20
10	21
11	32
12	34
13	40
14	42
15	64
16	65
17	68
18	69
19	80
20	81
21	84
22	85
23	128
24	130
25	136
26	138
27	160
28	162
29	168
30	170
31	256
32	257
33	260
34	261
35	272
36	273
37	276
38	277
39	320
40	321
41	324
42	325
43	336
44	337
45	340
46	341
47	512
48	514
49	520
50	522
51	544
52	546

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	10
7	16
8	17
9	20
10	21
11	32
12	34
13	40
14	42
15	64
16	65
17	68
18	69
19	80
20	81
21	84
22	85
23	128
24	130
25	136
26	138
27	160
28	162
29	168
30	170
31	256
32	257
33	260
34	261
35	272
36	273
37	276
38	277
39	320
40	321
41	324
42	325
43	336
44	337
45	340
46	341
47	512
48	514
49	520
50	522
51	544
52	546