A043881 - cp's OEIS frontend

A043881 Numbers k such that 0 and 2 occur juxtaposed in the base-4 representation of k but not of k+1.

n	a(n)
1	8
2	18
3	24
4	35
5	40
6	50
7	56
8	66
9	75
10	82
11	88
12	99
13	104
14	114
15	120
16	143
17	146
18	152
19	163
20	168
21	178
22	184
23	194
24	203
25	210
26	216
27	227
28	232
29	242
30	248
31	258
32	267
33	274
34	280
35	303
36	306
37	312
38	322
39	331
40	338
41	344
42	355
43	360
44	370
45	376
46	399
47	402
48	408
49	419

[8, 18, 24, 35, 40, 50, 56, 66, 75, 82, 88, 99, 104, 114, 120, 143, 146, 152, 163, 168, 178, 184, 194, 203, 210, 216, 227, 232, 242, 248, 258, 267, 274, 280, 303, 306, 312, 322, 331, 338, 344, 355, 360, 370, 376, 399, 402, 408, 419]

cp's OEIS Frontend

A043881 Numbers k such that 0 and 2 occur juxtaposed in the base-4 representation of k but not of k+1.

Table of values

List of values

n	a(n)
1	8
2	18
3	24
4	35
5	40
6	50
7	56
8	66
9	75
10	82
11	88
12	99
13	104
14	114
15	120
16	143
17	146
18	152
19	163
20	168
21	178
22	184
23	194
24	203
25	210
26	216
27	227
28	232
29	242
30	248
31	258
32	267
33	274
34	280
35	303
36	306
37	312
38	322
39	331
40	338
41	344
42	355
43	360
44	370
45	376
46	399
47	402
48	408
49	419

n	a(n)
1	8
2	18
3	24
4	35
5	40
6	50
7	56
8	66
9	75
10	82
11	88
12	99
13	104
14	114
15	120
16	143
17	146
18	152
19	163
20	168
21	178
22	184
23	194
24	203
25	210
26	216
27	227
28	232
29	242
30	248
31	258
32	267
33	274
34	280
35	303
36	306
37	312
38	322
39	331
40	338
41	344
42	355
43	360
44	370
45	376
46	399
47	402
48	408
49	419

n	a(n)
1	8
2	18
3	24
4	35
5	40
6	50
7	56
8	66
9	75
10	82
11	88
12	99
13	104
14	114
15	120
16	143
17	146
18	152
19	163
20	168
21	178
22	184
23	194
24	203
25	210
26	216
27	227
28	232
29	242
30	248
31	258
32	267
33	274
34	280
35	303
36	306
37	312
38	322
39	331
40	338
41	344
42	355
43	360
44	370
45	376
46	399
47	402
48	408
49	419