A343558 - cp's OEIS frontend

A343558 Irregular triangle read by rows: the n-th row gives the row 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	1
4	2
5	2
6	1
7	1
8	1
9	2
10	3
11	3
12	3
13	2
14	2
15	1
16	1
17	1
18	1
19	2
20	3
21	4
22	4
23	4
24	4
25	3
26	2
27	2
28	2
29	3
30	3
31	1
32	1
33	1
34	1
35	1
36	2
37	3
38	4
39	5
40	5
41	5
42	5
43	5
44	4
45	3
46	2
47	2
48	2
49	2
50	3
51	4
52	4
53	4
54	3
55	3
56	1
57	1
58	1
59	1
60	1
61	1
62	2
63	3
64	4
65	5
66	6
67	6
68	6
69	6
70	6
71	6
72	5
73	4
74	3
75	2
76	2
77	2
78	2
79	2
80	3
81	4
82	5
83	5
84	5
85	5
86	4
87	3
88	3
89	3
90	4
91	4

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

cp's OEIS Frontend

A343558 Irregular triangle read by rows: the n-th row gives the row 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	1
4	2
5	2
6	1
7	1
8	1
9	2
10	3
11	3
12	3
13	2
14	2
15	1
16	1
17	1
18	1
19	2
20	3
21	4
22	4
23	4
24	4
25	3
26	2
27	2
28	2
29	3
30	3
31	1
32	1
33	1
34	1
35	1
36	2
37	3
38	4
39	5
40	5
41	5
42	5
43	5
44	4
45	3
46	2
47	2
48	2
49	2
50	3
51	4
52	4
53	4
54	3
55	3
56	1
57	1
58	1
59	1
60	1
61	1
62	2
63	3
64	4
65	5
66	6
67	6
68	6
69	6
70	6
71	6
72	5
73	4
74	3
75	2
76	2
77	2
78	2
79	2
80	3
81	4
82	5
83	5
84	5
85	5
86	4
87	3
88	3
89	3
90	4
91	4

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

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