A243571 - cp's OEIS frontend

A243571 Irregular triangular array generated as in Comments; contains every positive integer exactly once.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	10
11	12
12	16
13	11
14	13
15	14
16	17
17	18
18	20
19	24
20	32
21	15
22	19
23	21
24	22
25	25
26	26
27	28
28	33
29	34
30	36
31	40
32	48
33	64
34	23
35	27
36	29
37	30
38	35
39	37
40	38
41	41
42	42
43	44
44	49
45	50
46	52
47	56
48	65
49	66
50	68
51	72
52	80
53	96
54	128
55	31
56	39
57	43
58	45
59	46
60	51
61	53
62	54
63	57
64	58
65	60
66	67
67	69

[1, 2, 3, 4, 5, 6, 8, 7, 9, 10, 12, 16, 11, 13, 14, 17, 18, 20, 24, 32, 15, 19, 21, 22, 25, 26, 28, 33, 34, 36, 40, 48, 64, 23, 27, 29, 30, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56, 65, 66, 68, 72, 80, 96, 128, 31, 39, 43, 45, 46, 51, 53, 54, 57, 58, 60, 67, 69]

cp's OEIS Frontend

A243571 Irregular triangular array generated as in Comments; contains every positive integer exactly once.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	10
11	12
12	16
13	11
14	13
15	14
16	17
17	18
18	20
19	24
20	32
21	15
22	19
23	21
24	22
25	25
26	26
27	28
28	33
29	34
30	36
31	40
32	48
33	64
34	23
35	27
36	29
37	30
38	35
39	37
40	38
41	41
42	42
43	44
44	49
45	50
46	52
47	56
48	65
49	66
50	68
51	72
52	80
53	96
54	128
55	31
56	39
57	43
58	45
59	46
60	51
61	53
62	54
63	57
64	58
65	60
66	67
67	69

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	10
11	12
12	16
13	11
14	13
15	14
16	17
17	18
18	20
19	24
20	32
21	15
22	19
23	21
24	22
25	25
26	26
27	28
28	33
29	34
30	36
31	40
32	48
33	64
34	23
35	27
36	29
37	30
38	35
39	37
40	38
41	41
42	42
43	44
44	49
45	50
46	52
47	56
48	65
49	66
50	68
51	72
52	80
53	96
54	128
55	31
56	39
57	43
58	45
59	46
60	51
61	53
62	54
63	57
64	58
65	60
66	67
67	69

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	7
9	9
10	10
11	12
12	16
13	11
14	13
15	14
16	17
17	18
18	20
19	24
20	32
21	15
22	19
23	21
24	22
25	25
26	26
27	28
28	33
29	34
30	36
31	40
32	48
33	64
34	23
35	27
36	29
37	30
38	35
39	37
40	38
41	41
42	42
43	44
44	49
45	50
46	52
47	56
48	65
49	66
50	68
51	72
52	80
53	96
54	128
55	31
56	39
57	43
58	45
59	46
60	51
61	53
62	54
63	57
64	58
65	60
66	67
67	69