A343559 - cp's OEIS frontend

A343559 Irregular triangle read by rows: the n-th row gives the column indices of the consecutive elements of the spiral of the n X n matrix defined in A126224.

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

[1, 1, 2, 2, 1, 1, 2, 3, 3, 3, 2, 1, 1, 2, 1, 2, 3, 4, 4, 4, 4, 3, 2, 1, 1, 1, 2, 3, 3, 2, 1, 2, 3, 4, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 2, 3, 4, 4, 4, 3, 2, 2, 3, 1, 2, 3, 4, 5, 6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 2, 2, 3, 4, 4, 3]

cp's OEIS Frontend

A343559 Irregular triangle read by rows: the n-th row gives the column indices of the consecutive elements of the spiral of the n X n matrix defined in A126224.

Table of values

List of values

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

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

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