A209260 - cp's OEIS frontend

A209260 Irregular triangular array read by rows, resulting in a permutation of the natural numbers.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	4
7	7
8	9
9	10
10	12
11	14
12	15
13	11
14	18
15	20
16	21
17	13
18	22
19	25
20	27
21	28
22	8
23	26
24	30
25	33
26	35
27	36
28	17
29	24
30	39
31	42
32	44
33	45
34	19
35	34
36	40
37	49
38	52
39	54
40	55
41	38
42	51
43	56
44	60
45	63
46	65
47	66
48	23
49	50
50	57
51	68
52	72
53	75
54	77
55	78

[1, 2, 3, 5, 6, 4, 7, 9, 10, 12, 14, 15, 11, 18, 20, 21, 13, 22, 25, 27, 28, 8, 26, 30, 33, 35, 36, 17, 24, 39, 42, 44, 45, 19, 34, 40, 49, 52, 54, 55, 38, 51, 56, 60, 63, 65, 66, 23, 50, 57, 68, 72, 75, 77, 78]

cp's OEIS Frontend

A209260 Irregular triangular array read by rows, resulting in a permutation of the natural numbers.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	4
7	7
8	9
9	10
10	12
11	14
12	15
13	11
14	18
15	20
16	21
17	13
18	22
19	25
20	27
21	28
22	8
23	26
24	30
25	33
26	35
27	36
28	17
29	24
30	39
31	42
32	44
33	45
34	19
35	34
36	40
37	49
38	52
39	54
40	55
41	38
42	51
43	56
44	60
45	63
46	65
47	66
48	23
49	50
50	57
51	68
52	72
53	75
54	77
55	78

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	4
7	7
8	9
9	10
10	12
11	14
12	15
13	11
14	18
15	20
16	21
17	13
18	22
19	25
20	27
21	28
22	8
23	26
24	30
25	33
26	35
27	36
28	17
29	24
30	39
31	42
32	44
33	45
34	19
35	34
36	40
37	49
38	52
39	54
40	55
41	38
42	51
43	56
44	60
45	63
46	65
47	66
48	23
49	50
50	57
51	68
52	72
53	75
54	77
55	78

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	4
7	7
8	9
9	10
10	12
11	14
12	15
13	11
14	18
15	20
16	21
17	13
18	22
19	25
20	27
21	28
22	8
23	26
24	30
25	33
26	35
27	36
28	17
29	24
30	39
31	42
32	44
33	45
34	19
35	34
36	40
37	49
38	52
39	54
40	55
41	38
42	51
43	56
44	60
45	63
46	65
47	66
48	23
49	50
50	57
51	68
52	72
53	75
54	77
55	78