A110730 - cp's OEIS frontend

A110730 Irregular triangle read by rows in which row n lists n 1's followed by (n-1) 2's followed by (n-3) 3's ... followed by 1 n.

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

[1, 1, 1, 2, 1, 1, 1, 2, 2, 3, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 6, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3]

cp's OEIS Frontend

A110730 Irregular triangle read by rows in which row n lists n 1's followed by (n-1) 2's followed by (n-3) 3's ... followed by 1 n.

Table of values

List of values

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

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

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