A249721 - cp's OEIS frontend

A249721 Numbers whose base-3 representation consists entirely of 0's and 2's, except possibly for a single pair of adjacent 1's among them.

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	12
6	14
7	18
8	20
9	22
10	24
11	26
12	36
13	38
14	42
15	44
16	54
17	56
18	58
19	60
20	62
21	66
22	68
23	72
24	74
25	76
26	78
27	80
28	108
29	110
30	114
31	116
32	126
33	128
34	132
35	134
36	162
37	164
38	166
39	168
40	170
41	174
42	176
43	180
44	182
45	184
46	186
47	188
48	198
49	200
50	204
51	206
52	216
53	218
54	220
55	222
56	224
57	228
58	230
59	234
60	236
61	238
62	240
63	242
64	324

[0, 2, 4, 6, 8, 12, 14, 18, 20, 22, 24, 26, 36, 38, 42, 44, 54, 56, 58, 60, 62, 66, 68, 72, 74, 76, 78, 80, 108, 110, 114, 116, 126, 128, 132, 134, 162, 164, 166, 168, 170, 174, 176, 180, 182, 184, 186, 188, 198, 200, 204, 206, 216, 218, 220, 222, 224, 228, 230, 234, 236, 238, 240, 242, 324]

cp's OEIS Frontend

A249721 Numbers whose base-3 representation consists entirely of 0's and 2's, except possibly for a single pair of adjacent 1's among them.

Table of values

List of values

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	12
6	14
7	18
8	20
9	22
10	24
11	26
12	36
13	38
14	42
15	44
16	54
17	56
18	58
19	60
20	62
21	66
22	68
23	72
24	74
25	76
26	78
27	80
28	108
29	110
30	114
31	116
32	126
33	128
34	132
35	134
36	162
37	164
38	166
39	168
40	170
41	174
42	176
43	180
44	182
45	184
46	186
47	188
48	198
49	200
50	204
51	206
52	216
53	218
54	220
55	222
56	224
57	228
58	230
59	234
60	236
61	238
62	240
63	242
64	324

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	12
6	14
7	18
8	20
9	22
10	24
11	26
12	36
13	38
14	42
15	44
16	54
17	56
18	58
19	60
20	62
21	66
22	68
23	72
24	74
25	76
26	78
27	80
28	108
29	110
30	114
31	116
32	126
33	128
34	132
35	134
36	162
37	164
38	166
39	168
40	170
41	174
42	176
43	180
44	182
45	184
46	186
47	188
48	198
49	200
50	204
51	206
52	216
53	218
54	220
55	222
56	224
57	228
58	230
59	234
60	236
61	238
62	240
63	242
64	324

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	12
6	14
7	18
8	20
9	22
10	24
11	26
12	36
13	38
14	42
15	44
16	54
17	56
18	58
19	60
20	62
21	66
22	68
23	72
24	74
25	76
26	78
27	80
28	108
29	110
30	114
31	116
32	126
33	128
34	132
35	134
36	162
37	164
38	166
39	168
40	170
41	174
42	176
43	180
44	182
45	184
46	186
47	188
48	198
49	200
50	204
51	206
52	216
53	218
54	220
55	222
56	224
57	228
58	230
59	234
60	236
61	238
62	240
63	242
64	324