A055247 - cp's OEIS frontend

A055247 Related to A055246 and A005836. Used for boundaries of open intervals which have to be erased in the Cantor middle third set construction.

n	a(n)
1	1
2	2
3	7
4	8
5	19
6	20
7	25
8	26
9	55
10	56
11	61
12	62
13	73
14	74
15	79
16	80
17	163
18	164
19	169
20	170
21	181
22	182
23	187
24	188
25	217
26	218
27	223
28	224
29	235
30	236
31	241
32	242
33	487
34	488
35	493
36	494
37	505
38	506
39	511
40	512
41	541
42	542
43	547
44	548
45	559
46	560
47	565
48	566
49	649
50	650
51	655
52	656

[1, 2, 7, 8, 19, 20, 25, 26, 55, 56, 61, 62, 73, 74, 79, 80, 163, 164, 169, 170, 181, 182, 187, 188, 217, 218, 223, 224, 235, 236, 241, 242, 487, 488, 493, 494, 505, 506, 511, 512, 541, 542, 547, 548, 559, 560, 565, 566, 649, 650, 655, 656]

cp's OEIS Frontend

A055247 Related to A055246 and A005836. Used for boundaries of open intervals which have to be erased in the Cantor middle third set construction.

Table of values

List of values

n	a(n)
1	1
2	2
3	7
4	8
5	19
6	20
7	25
8	26
9	55
10	56
11	61
12	62
13	73
14	74
15	79
16	80
17	163
18	164
19	169
20	170
21	181
22	182
23	187
24	188
25	217
26	218
27	223
28	224
29	235
30	236
31	241
32	242
33	487
34	488
35	493
36	494
37	505
38	506
39	511
40	512
41	541
42	542
43	547
44	548
45	559
46	560
47	565
48	566
49	649
50	650
51	655
52	656

n	a(n)
1	1
2	2
3	7
4	8
5	19
6	20
7	25
8	26
9	55
10	56
11	61
12	62
13	73
14	74
15	79
16	80
17	163
18	164
19	169
20	170
21	181
22	182
23	187
24	188
25	217
26	218
27	223
28	224
29	235
30	236
31	241
32	242
33	487
34	488
35	493
36	494
37	505
38	506
39	511
40	512
41	541
42	542
43	547
44	548
45	559
46	560
47	565
48	566
49	649
50	650
51	655
52	656

n	a(n)
1	1
2	2
3	7
4	8
5	19
6	20
7	25
8	26
9	55
10	56
11	61
12	62
13	73
14	74
15	79
16	80
17	163
18	164
19	169
20	170
21	181
22	182
23	187
24	188
25	217
26	218
27	223
28	224
29	235
30	236
31	241
32	242
33	487
34	488
35	493
36	494
37	505
38	506
39	511
40	512
41	541
42	542
43	547
44	548
45	559
46	560
47	565
48	566
49	649
50	650
51	655
52	656