A267307 - cp's OEIS frontend

A267307 Earliest positive increasing sequence having no 6-term subsequence with constant third differences.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	29
15	30
16	32
17	33
18	34
19	35
20	36
21	38
22	39
23	41
24	48
25	80
26	94
27	95
28	97
29	98
30	99
31	100
32	101
33	103
34	104
35	106
36	111
37	117
38	123
39	129
40	131
41	141
42	149
43	267
44	282
45	297
46	304
47	305
48	307
49	309
50	312
51	314
52	319
53	325
54	327
55	328
56	329
57	331
58	332
59	333
60	338

[1, 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 14, 15, 29, 30, 32, 33, 34, 35, 36, 38, 39, 41, 48, 80, 94, 95, 97, 98, 99, 100, 101, 103, 104, 106, 111, 117, 123, 129, 131, 141, 149, 267, 282, 297, 304, 305, 307, 309, 312, 314, 319, 325, 327, 328, 329, 331, 332, 333, 338]

cp's OEIS Frontend

A267307 Earliest positive increasing sequence having no 6-term subsequence with constant third differences.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	29
15	30
16	32
17	33
18	34
19	35
20	36
21	38
22	39
23	41
24	48
25	80
26	94
27	95
28	97
29	98
30	99
31	100
32	101
33	103
34	104
35	106
36	111
37	117
38	123
39	129
40	131
41	141
42	149
43	267
44	282
45	297
46	304
47	305
48	307
49	309
50	312
51	314
52	319
53	325
54	327
55	328
56	329
57	331
58	332
59	333
60	338

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	29
15	30
16	32
17	33
18	34
19	35
20	36
21	38
22	39
23	41
24	48
25	80
26	94
27	95
28	97
29	98
30	99
31	100
32	101
33	103
34	104
35	106
36	111
37	117
38	123
39	129
40	131
41	141
42	149
43	267
44	282
45	297
46	304
47	305
48	307
49	309
50	312
51	314
52	319
53	325
54	327
55	328
56	329
57	331
58	332
59	333
60	338

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	12
11	13
12	14
13	15
14	29
15	30
16	32
17	33
18	34
19	35
20	36
21	38
22	39
23	41
24	48
25	80
26	94
27	95
28	97
29	98
30	99
31	100
32	101
33	103
34	104
35	106
36	111
37	117
38	123
39	129
40	131
41	141
42	149
43	267
44	282
45	297
46	304
47	305
48	307
49	309
50	312
51	314
52	319
53	325
54	327
55	328
56	329
57	331
58	332
59	333
60	338