A361642 - cp's OEIS frontend

A361642 Triangle read by rows where row n is a self-inverse permutation of 1..n formed starting from a column 1..n and sliding numbers to the right and down.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	1
8	4
9	3
10	2
11	1
12	5
13	3
14	4
15	2
16	1
17	6
18	4
19	3
20	5
21	2
22	1
23	7
24	4
25	3
26	5
27	6
28	2
29	1
30	8
31	5
32	6
33	3
34	4
35	7
36	2
37	1
38	9
39	5
40	4
41	3
42	7
43	6
44	8
45	2
46	1
47	10
48	6
49	4
50	8
51	3
52	7
53	5
54	9
55	2
56	1
57	11
58	6
59	8
60	5
61	3
62	9
63	4
64	7
65	10
66	2
67	1
68	12
69	7
70	5
71	4
72	10
73	3
74	8
75	9
76	6
77	11
78	2
79	1
80	13
81	7
82	5
83	4
84	6
85	3
86	11
87	10
88	9
89	8
90	12
91	2
92	1
93	14
94	8
95	10
96	11
97	6
98	12
99	3
100	9
101	4
102	5
103	7
104	13
105	2

[1, 1, 2, 1, 3, 2, 1, 4, 3, 2, 1, 5, 3, 4, 2, 1, 6, 4, 3, 5, 2, 1, 7, 4, 3, 5, 6, 2, 1, 8, 5, 6, 3, 4, 7, 2, 1, 9, 5, 4, 3, 7, 6, 8, 2, 1, 10, 6, 4, 8, 3, 7, 5, 9, 2, 1, 11, 6, 8, 5, 3, 9, 4, 7, 10, 2, 1, 12, 7, 5, 4, 10, 3, 8, 9, 6, 11, 2, 1, 13, 7, 5, 4, 6, 3, 11, 10, 9, 8, 12, 2, 1, 14, 8, 10, 11, 6, 12, 3, 9, 4, 5, 7, 13, 2]

cp's OEIS Frontend

A361642 Triangle read by rows where row n is a self-inverse permutation of 1..n formed starting from a column 1..n and sliding numbers to the right and down.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	1
8	4
9	3
10	2
11	1
12	5
13	3
14	4
15	2
16	1
17	6
18	4
19	3
20	5
21	2
22	1
23	7
24	4
25	3
26	5
27	6
28	2
29	1
30	8
31	5
32	6
33	3
34	4
35	7
36	2
37	1
38	9
39	5
40	4
41	3
42	7
43	6
44	8
45	2
46	1
47	10
48	6
49	4
50	8
51	3
52	7
53	5
54	9
55	2
56	1
57	11
58	6
59	8
60	5
61	3
62	9
63	4
64	7
65	10
66	2
67	1
68	12
69	7
70	5
71	4
72	10
73	3
74	8
75	9
76	6
77	11
78	2
79	1
80	13
81	7
82	5
83	4
84	6
85	3
86	11
87	10
88	9
89	8
90	12
91	2
92	1
93	14
94	8
95	10
96	11
97	6
98	12
99	3
100	9
101	4
102	5
103	7
104	13
105	2

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	1
8	4
9	3
10	2
11	1
12	5
13	3
14	4
15	2
16	1
17	6
18	4
19	3
20	5
21	2
22	1
23	7
24	4
25	3
26	5
27	6
28	2
29	1
30	8
31	5
32	6
33	3
34	4
35	7
36	2
37	1
38	9
39	5
40	4
41	3
42	7
43	6
44	8
45	2
46	1
47	10
48	6
49	4
50	8
51	3
52	7
53	5
54	9
55	2
56	1
57	11
58	6
59	8
60	5
61	3
62	9
63	4
64	7
65	10
66	2
67	1
68	12
69	7
70	5
71	4
72	10
73	3
74	8
75	9
76	6
77	11
78	2
79	1
80	13
81	7
82	5
83	4
84	6
85	3
86	11
87	10
88	9
89	8
90	12
91	2
92	1
93	14
94	8
95	10
96	11
97	6
98	12
99	3
100	9
101	4
102	5
103	7
104	13
105	2

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	1
8	4
9	3
10	2
11	1
12	5
13	3
14	4
15	2
16	1
17	6
18	4
19	3
20	5
21	2
22	1
23	7
24	4
25	3
26	5
27	6
28	2
29	1
30	8
31	5
32	6
33	3
34	4
35	7
36	2
37	1
38	9
39	5
40	4
41	3
42	7
43	6
44	8
45	2
46	1
47	10
48	6
49	4
50	8
51	3
52	7
53	5
54	9
55	2
56	1
57	11
58	6
59	8
60	5
61	3
62	9
63	4
64	7
65	10
66	2
67	1
68	12
69	7
70	5
71	4
72	10
73	3
74	8
75	9
76	6
77	11
78	2
79	1
80	13
81	7
82	5
83	4
84	6
85	3
86	11
87	10
88	9
89	8
90	12
91	2
92	1
93	14
94	8
95	10
96	11
97	6
98	12
99	3
100	9
101	4
102	5
103	7
104	13
105	2