A267300 - cp's OEIS frontend

A267300 Earliest positive increasing sequence having no 5-term subsequence with constant second differences.

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	6
7	7
8	8
9	11
10	13
11	16
12	19
13	20
14	22
15	24
16	30
17	31
18	36
19	45
20	46
21	52
22	55
23	60
24	62
25	63
26	66
27	69
28	71
29	75
30	86
31	89
32	92
33	103
34	111
35	115
36	119
37	134
38	137
39	145
40	152
41	163
42	176
43	178
44	179
45	196
46	200
47	220
48	223
49	275
50	276
51	278
52	281
53	282
54	284
55	286
56	294
57	304
58	316
59	319
60	326
61	339
62	353
63	360
64	363
65	376
66	379
67	384
68	390
69	402
70	414
71	423
72	429
73	442

[0, 1, 2, 3, 5, 6, 7, 8, 11, 13, 16, 19, 20, 22, 24, 30, 31, 36, 45, 46, 52, 55, 60, 62, 63, 66, 69, 71, 75, 86, 89, 92, 103, 111, 115, 119, 134, 137, 145, 152, 163, 176, 178, 179, 196, 200, 220, 223, 275, 276, 278, 281, 282, 284, 286, 294, 304, 316, 319, 326, 339, 353, 360, 363, 376, 379, 384, 390, 402, 414, 423, 429, 442]

cp's OEIS Frontend

A267300 Earliest positive increasing sequence having no 5-term subsequence with constant second differences.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	6
7	7
8	8
9	11
10	13
11	16
12	19
13	20
14	22
15	24
16	30
17	31
18	36
19	45
20	46
21	52
22	55
23	60
24	62
25	63
26	66
27	69
28	71
29	75
30	86
31	89
32	92
33	103
34	111
35	115
36	119
37	134
38	137
39	145
40	152
41	163
42	176
43	178
44	179
45	196
46	200
47	220
48	223
49	275
50	276
51	278
52	281
53	282
54	284
55	286
56	294
57	304
58	316
59	319
60	326
61	339
62	353
63	360
64	363
65	376
66	379
67	384
68	390
69	402
70	414
71	423
72	429
73	442

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	6
7	7
8	8
9	11
10	13
11	16
12	19
13	20
14	22
15	24
16	30
17	31
18	36
19	45
20	46
21	52
22	55
23	60
24	62
25	63
26	66
27	69
28	71
29	75
30	86
31	89
32	92
33	103
34	111
35	115
36	119
37	134
38	137
39	145
40	152
41	163
42	176
43	178
44	179
45	196
46	200
47	220
48	223
49	275
50	276
51	278
52	281
53	282
54	284
55	286
56	294
57	304
58	316
59	319
60	326
61	339
62	353
63	360
64	363
65	376
66	379
67	384
68	390
69	402
70	414
71	423
72	429
73	442

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	6
7	7
8	8
9	11
10	13
11	16
12	19
13	20
14	22
15	24
16	30
17	31
18	36
19	45
20	46
21	52
22	55
23	60
24	62
25	63
26	66
27	69
28	71
29	75
30	86
31	89
32	92
33	103
34	111
35	115
36	119
37	134
38	137
39	145
40	152
41	163
42	176
43	178
44	179
45	196
46	200
47	220
48	223
49	275
50	276
51	278
52	281
53	282
54	284
55	286
56	294
57	304
58	316
59	319
60	326
61	339
62	353
63	360
64	363
65	376
66	379
67	384
68	390
69	402
70	414
71	423
72	429
73	442