A273823 - cp's OEIS frontend

A273823 Table read by rows: the n-th row is the list of numbers to the left of n in the natural numbers read by antidiagonals.

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

[1, 2, 1, 3, 4, 2, 1, 5, 3, 6, 7, 4, 2, 1, 8, 5, 3, 9, 6, 10, 11, 7, 4, 2, 1, 12, 8, 5, 3, 13, 9, 6, 14, 10, 15, 16, 11, 7, 4, 2, 1, 17, 12, 8, 5, 3, 18, 13, 9, 6, 19, 14, 10, 20, 15, 21, 22, 16, 11, 7, 4, 2, 1, 23, 17, 12, 8, 5, 3, 24, 18, 13, 9, 6, 25, 19, 14]

cp's OEIS Frontend

A273823 Table read by rows: the n-th row is the list of numbers to the left of n in the natural numbers read by antidiagonals.

Table of values

List of values

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

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

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