A267302 - cp's OEIS frontend

A267302 Earliest nonnegative increasing sequence having no 6-term subsequence with constant second differences.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	17
15	19
16	20
17	21
18	24
19	25
20	27
21	34
22	35
23	38
24	40
25	42
26	45
27	46
28	48
29	53
30	54
31	55
32	63
33	67
34	73
35	74
36	80
37	82
38	83
39	84
40	86
41	87
42	89
43	90
44	92
45	94
46	102
47	107
48	108
49	110
50	117
51	128
52	133
53	136
54	139
55	143
56	144
57	149
58	150
59	151
60	152

[0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 17, 19, 20, 21, 24, 25, 27, 34, 35, 38, 40, 42, 45, 46, 48, 53, 54, 55, 63, 67, 73, 74, 80, 82, 83, 84, 86, 87, 89, 90, 92, 94, 102, 107, 108, 110, 117, 128, 133, 136, 139, 143, 144, 149, 150, 151, 152]

cp's OEIS Frontend

A267302 Earliest nonnegative increasing sequence having no 6-term subsequence with constant second differences.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	17
15	19
16	20
17	21
18	24
19	25
20	27
21	34
22	35
23	38
24	40
25	42
26	45
27	46
28	48
29	53
30	54
31	55
32	63
33	67
34	73
35	74
36	80
37	82
38	83
39	84
40	86
41	87
42	89
43	90
44	92
45	94
46	102
47	107
48	108
49	110
50	117
51	128
52	133
53	136
54	139
55	143
56	144
57	149
58	150
59	151
60	152

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	17
15	19
16	20
17	21
18	24
19	25
20	27
21	34
22	35
23	38
24	40
25	42
26	45
27	46
28	48
29	53
30	54
31	55
32	63
33	67
34	73
35	74
36	80
37	82
38	83
39	84
40	86
41	87
42	89
43	90
44	92
45	94
46	102
47	107
48	108
49	110
50	117
51	128
52	133
53	136
54	139
55	143
56	144
57	149
58	150
59	151
60	152

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	17
15	19
16	20
17	21
18	24
19	25
20	27
21	34
22	35
23	38
24	40
25	42
26	45
27	46
28	48
29	53
30	54
31	55
32	63
33	67
34	73
35	74
36	80
37	82
38	83
39	84
40	86
41	87
42	89
43	90
44	92
45	94
46	102
47	107
48	108
49	110
50	117
51	128
52	133
53	136
54	139
55	143
56	144
57	149
58	150
59	151
60	152