A066202 - cp's OEIS frontend

A066202 Array T(n,k) (n>=1, k>=1) read by antidiagonals: T(n,n) = 1 for all n; fill in array above diagonal by symmetry; for row n, starting at diagonal T(n,n)=1, for k > n, T(n,k) = T(n,k-1)-(k-1) if this is positive and has not already appeared in this row, otherwise T(n,k) = T(n,k-1)+(k-1).

n	a(n)
1	1
2	2
3	2
4	4
5	1
6	4
7	7
8	3
9	3
10	7
11	3
12	6
13	1
14	6
15	3
16	8
17	10
18	4
19	4
20	10
21	8
22	14
23	5
24	8
25	1
26	8
27	5
28	14
29	21
30	11
31	13
32	5
33	5
34	13
35	11
36	21
37	13
38	4
39	7
40	10
41	1
42	10
43	7
44	4
45	13
46	22
47	12
48	14
49	16
50	6
51	6
52	16
53	14
54	12
55	22
56	12
57	21
58	6
59	9
60	12
61	1
62	12
63	9
64	6
65	21
66	12
67	23
68	31
69	15
70	17
71	19
72	7
73	7
74	19
75	17
76	15
77	31
78	23
79	11
80	20
81	5
82	8
83	11
84	14
85	1

[1, 2, 2, 4, 1, 4, 7, 3, 3, 7, 3, 6, 1, 6, 3, 8, 10, 4, 4, 10, 8, 14, 5, 8, 1, 8, 5, 14, 21, 11, 13, 5, 5, 13, 11, 21, 13, 4, 7, 10, 1, 10, 7, 4, 13, 22, 12, 14, 16, 6, 6, 16, 14, 12, 22, 12, 21, 6, 9, 12, 1, 12, 9, 6, 21, 12, 23, 31, 15, 17, 19, 7, 7, 19, 17, 15, 31, 23, 11, 20, 5, 8, 11, 14, 1]

cp's OEIS Frontend

A066202 Array T(n,k) (n>=1, k>=1) read by antidiagonals: T(n,n) = 1 for all n; fill in array above diagonal by symmetry; for row n, starting at diagonal T(n,n)=1, for k > n, T(n,k) = T(n,k-1)-(k-1) if this is positive and has not already appeared in this row, otherwise T(n,k) = T(n,k-1)+(k-1).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	4
5	1
6	4
7	7
8	3
9	3
10	7
11	3
12	6
13	1
14	6
15	3
16	8
17	10
18	4
19	4
20	10
21	8
22	14
23	5
24	8
25	1
26	8
27	5
28	14
29	21
30	11
31	13
32	5
33	5
34	13
35	11
36	21
37	13
38	4
39	7
40	10
41	1
42	10
43	7
44	4
45	13
46	22
47	12
48	14
49	16
50	6
51	6
52	16
53	14
54	12
55	22
56	12
57	21
58	6
59	9
60	12
61	1
62	12
63	9
64	6
65	21
66	12
67	23
68	31
69	15
70	17
71	19
72	7
73	7
74	19
75	17
76	15
77	31
78	23
79	11
80	20
81	5
82	8
83	11
84	14
85	1

n	a(n)
1	1
2	2
3	2
4	4
5	1
6	4
7	7
8	3
9	3
10	7
11	3
12	6
13	1
14	6
15	3
16	8
17	10
18	4
19	4
20	10
21	8
22	14
23	5
24	8
25	1
26	8
27	5
28	14
29	21
30	11
31	13
32	5
33	5
34	13
35	11
36	21
37	13
38	4
39	7
40	10
41	1
42	10
43	7
44	4
45	13
46	22
47	12
48	14
49	16
50	6
51	6
52	16
53	14
54	12
55	22
56	12
57	21
58	6
59	9
60	12
61	1
62	12
63	9
64	6
65	21
66	12
67	23
68	31
69	15
70	17
71	19
72	7
73	7
74	19
75	17
76	15
77	31
78	23
79	11
80	20
81	5
82	8
83	11
84	14
85	1

n	a(n)
1	1
2	2
3	2
4	4
5	1
6	4
7	7
8	3
9	3
10	7
11	3
12	6
13	1
14	6
15	3
16	8
17	10
18	4
19	4
20	10
21	8
22	14
23	5
24	8
25	1
26	8
27	5
28	14
29	21
30	11
31	13
32	5
33	5
34	13
35	11
36	21
37	13
38	4
39	7
40	10
41	1
42	10
43	7
44	4
45	13
46	22
47	12
48	14
49	16
50	6
51	6
52	16
53	14
54	12
55	22
56	12
57	21
58	6
59	9
60	12
61	1
62	12
63	9
64	6
65	21
66	12
67	23
68	31
69	15
70	17
71	19
72	7
73	7
74	19
75	17
76	15
77	31
78	23
79	11
80	20
81	5
82	8
83	11
84	14
85	1