A020663 - cp's OEIS frontend

A020663 Lexicographically earliest increasing sequence of nonnegative numbers that contains no arithmetic progression of length 10.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	27
27	30
28	31
29	32
30	33
31	34
32	35
33	36
34	37
35	38
36	40
37	41
38	42
39	43
40	44
41	48
42	49
43	50
44	51
45	52
46	53
47	54
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	65
57	67
58	68
59	69
60	70
61	71
62	72
63	73
64	74
65	76
66	77
67	80
68	81
69	82
70	83
71	84
72	87
73	88
74	95
75	96

[0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 48, 49, 50, 51, 52, 53, 54, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 76, 77, 80, 81, 82, 83, 84, 87, 88, 95, 96]

cp's OEIS Frontend

A020663 Lexicographically earliest increasing sequence of nonnegative numbers that contains no arithmetic progression of length 10.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	27
27	30
28	31
29	32
30	33
31	34
32	35
33	36
34	37
35	38
36	40
37	41
38	42
39	43
40	44
41	48
42	49
43	50
44	51
45	52
46	53
47	54
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	65
57	67
58	68
59	69
60	70
61	71
62	72
63	73
64	74
65	76
66	77
67	80
68	81
69	82
70	83
71	84
72	87
73	88
74	95
75	96

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	27
27	30
28	31
29	32
30	33
31	34
32	35
33	36
34	37
35	38
36	40
37	41
38	42
39	43
40	44
41	48
42	49
43	50
44	51
45	52
46	53
47	54
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	65
57	67
58	68
59	69
60	70
61	71
62	72
63	73
64	74
65	76
66	77
67	80
68	81
69	82
70	83
71	84
72	87
73	88
74	95
75	96

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	27
27	30
28	31
29	32
30	33
31	34
32	35
33	36
34	37
35	38
36	40
37	41
38	42
39	43
40	44
41	48
42	49
43	50
44	51
45	52
46	53
47	54
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	65
57	67
58	68
59	69
60	70
61	71
62	72
63	73
64	74
65	76
66	77
67	80
68	81
69	82
70	83
71	84
72	87
73	88
74	95
75	96