A331018 - cp's OEIS frontend

A331018 Lexicographically earliest sequence of distinct positive terms that can be viewed as an irregular table where the n-th row has a(n) terms and for n > 1, T(n, k) is a multiple of k.

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	5
9	10
10	12
11	7
12	14
13	15
14	16
15	20
16	18
17	11
18	22
19	21
20	24
21	25
22	30
23	28
24	32
25	27
26	13
27	26
28	33
29	36
30	35
31	42
32	49
33	40
34	17
35	34
36	39
37	44
38	45
39	19
40	38
41	48
42	52
43	50
44	54
45	56
46	64
47	63
48	60
49	23
50	46
51	51
52	68
53	55
54	66
55	70
56	72
57	81
58	80
59	77
60	84
61	29
62	58
63	57
64	76
65	65
66	78
67	91

[1, 2, 4, 3, 6, 9, 8, 5, 10, 12, 7, 14, 15, 16, 20, 18, 11, 22, 21, 24, 25, 30, 28, 32, 27, 13, 26, 33, 36, 35, 42, 49, 40, 17, 34, 39, 44, 45, 19, 38, 48, 52, 50, 54, 56, 64, 63, 60, 23, 46, 51, 68, 55, 66, 70, 72, 81, 80, 77, 84, 29, 58, 57, 76, 65, 78, 91]

cp's OEIS Frontend

A331018 Lexicographically earliest sequence of distinct positive terms that can be viewed as an irregular table where the n-th row has a(n) terms and for n > 1, T(n, k) is a multiple of k.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	5
9	10
10	12
11	7
12	14
13	15
14	16
15	20
16	18
17	11
18	22
19	21
20	24
21	25
22	30
23	28
24	32
25	27
26	13
27	26
28	33
29	36
30	35
31	42
32	49
33	40
34	17
35	34
36	39
37	44
38	45
39	19
40	38
41	48
42	52
43	50
44	54
45	56
46	64
47	63
48	60
49	23
50	46
51	51
52	68
53	55
54	66
55	70
56	72
57	81
58	80
59	77
60	84
61	29
62	58
63	57
64	76
65	65
66	78
67	91

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	5
9	10
10	12
11	7
12	14
13	15
14	16
15	20
16	18
17	11
18	22
19	21
20	24
21	25
22	30
23	28
24	32
25	27
26	13
27	26
28	33
29	36
30	35
31	42
32	49
33	40
34	17
35	34
36	39
37	44
38	45
39	19
40	38
41	48
42	52
43	50
44	54
45	56
46	64
47	63
48	60
49	23
50	46
51	51
52	68
53	55
54	66
55	70
56	72
57	81
58	80
59	77
60	84
61	29
62	58
63	57
64	76
65	65
66	78
67	91

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	5
9	10
10	12
11	7
12	14
13	15
14	16
15	20
16	18
17	11
18	22
19	21
20	24
21	25
22	30
23	28
24	32
25	27
26	13
27	26
28	33
29	36
30	35
31	42
32	49
33	40
34	17
35	34
36	39
37	44
38	45
39	19
40	38
41	48
42	52
43	50
44	54
45	56
46	64
47	63
48	60
49	23
50	46
51	51
52	68
53	55
54	66
55	70
56	72
57	81
58	80
59	77
60	84
61	29
62	58
63	57
64	76
65	65
66	78
67	91