A132134 - cp's OEIS frontend

A132134 Base 3 "Punctual Bird" numbers: write the natural numbers, base 3, in a string 12101112202122100101102... Sequence gives numbers which do not occur in the string ahead of their natural place.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	9
7	11
8	15
9	18
10	27
11	29
12	30
13	32
14	33
15	35
16	42
17	45
18	54
19	60
20	81
21	83
22	86
23	87
24	89
25	92
26	95
27	96
28	98
29	99
30	101
31	104
32	105
33	107
34	123
35	126
36	135
37	141
38	153
39	162
40	243
41	245
42	248
43	249
44	251
45	252
46	254
47	257
48	258
49	260
50	261
51	263
52	266
53	267
54	269
55	275
56	276
57	278
58	285
59	287
60	288

[1, 2, 3, 4, 6, 9, 11, 15, 18, 27, 29, 30, 32, 33, 35, 42, 45, 54, 60, 81, 83, 86, 87, 89, 92, 95, 96, 98, 99, 101, 104, 105, 107, 123, 126, 135, 141, 153, 162, 243, 245, 248, 249, 251, 252, 254, 257, 258, 260, 261, 263, 266, 267, 269, 275, 276, 278, 285, 287, 288]

cp's OEIS Frontend

A132134 Base 3 "Punctual Bird" numbers: write the natural numbers, base 3, in a string 12101112202122100101102... Sequence gives numbers which do not occur in the string ahead of their natural place.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	9
7	11
8	15
9	18
10	27
11	29
12	30
13	32
14	33
15	35
16	42
17	45
18	54
19	60
20	81
21	83
22	86
23	87
24	89
25	92
26	95
27	96
28	98
29	99
30	101
31	104
32	105
33	107
34	123
35	126
36	135
37	141
38	153
39	162
40	243
41	245
42	248
43	249
44	251
45	252
46	254
47	257
48	258
49	260
50	261
51	263
52	266
53	267
54	269
55	275
56	276
57	278
58	285
59	287
60	288

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	9
7	11
8	15
9	18
10	27
11	29
12	30
13	32
14	33
15	35
16	42
17	45
18	54
19	60
20	81
21	83
22	86
23	87
24	89
25	92
26	95
27	96
28	98
29	99
30	101
31	104
32	105
33	107
34	123
35	126
36	135
37	141
38	153
39	162
40	243
41	245
42	248
43	249
44	251
45	252
46	254
47	257
48	258
49	260
50	261
51	263
52	266
53	267
54	269
55	275
56	276
57	278
58	285
59	287
60	288

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	9
7	11
8	15
9	18
10	27
11	29
12	30
13	32
14	33
15	35
16	42
17	45
18	54
19	60
20	81
21	83
22	86
23	87
24	89
25	92
26	95
27	96
28	98
29	99
30	101
31	104
32	105
33	107
34	123
35	126
36	135
37	141
38	153
39	162
40	243
41	245
42	248
43	249
44	251
45	252
46	254
47	257
48	258
49	260
50	261
51	263
52	266
53	267
54	269
55	275
56	276
57	278
58	285
59	287
60	288