A272020 - cp's OEIS frontend

A272020 Irregular triangle read by rows: strictly decreasing sequences of positive numbers given in lexicographic order.

n	a(n)
0	1
1	2
2	2
3	1
4	3
5	3
6	1
7	3
8	2
9	3
10	2
11	1
12	4
13	4
14	1
15	4
16	2
17	4
18	2
19	1
20	4
21	3
22	4
23	3
24	1
25	4
26	3
27	2
28	4
29	3
30	2
31	1
32	5
33	5
34	1
35	5
36	2
37	5
38	2
39	1
40	5
41	3
42	5
43	3
44	1
45	5
46	3
47	2
48	5
49	3
50	2
51	1
52	5
53	4
54	5
55	4
56	1
57	5
58	4
59	2
60	5
61	4
62	2
63	1
64	5
65	4
66	3
67	5
68	4
69	3
70	1
71	5
72	4
73	3
74	2
75	5
76	4
77	3
78	2
79	1
80	6
81	6
82	1
83	6
84	2
85	6
86	2
87	1

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

cp's OEIS Frontend

A272020 Irregular triangle read by rows: strictly decreasing sequences of positive numbers given in lexicographic order.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	1
4	3
5	3
6	1
7	3
8	2
9	3
10	2
11	1
12	4
13	4
14	1
15	4
16	2
17	4
18	2
19	1
20	4
21	3
22	4
23	3
24	1
25	4
26	3
27	2
28	4
29	3
30	2
31	1
32	5
33	5
34	1
35	5
36	2
37	5
38	2
39	1
40	5
41	3
42	5
43	3
44	1
45	5
46	3
47	2
48	5
49	3
50	2
51	1
52	5
53	4
54	5
55	4
56	1
57	5
58	4
59	2
60	5
61	4
62	2
63	1
64	5
65	4
66	3
67	5
68	4
69	3
70	1
71	5
72	4
73	3
74	2
75	5
76	4
77	3
78	2
79	1
80	6
81	6
82	1
83	6
84	2
85	6
86	2
87	1

n	a(n)
0	1
1	2
2	2
3	1
4	3
5	3
6	1
7	3
8	2
9	3
10	2
11	1
12	4
13	4
14	1
15	4
16	2
17	4
18	2
19	1
20	4
21	3
22	4
23	3
24	1
25	4
26	3
27	2
28	4
29	3
30	2
31	1
32	5
33	5
34	1
35	5
36	2
37	5
38	2
39	1
40	5
41	3
42	5
43	3
44	1
45	5
46	3
47	2
48	5
49	3
50	2
51	1
52	5
53	4
54	5
55	4
56	1
57	5
58	4
59	2
60	5
61	4
62	2
63	1
64	5
65	4
66	3
67	5
68	4
69	3
70	1
71	5
72	4
73	3
74	2
75	5
76	4
77	3
78	2
79	1
80	6
81	6
82	1
83	6
84	2
85	6
86	2
87	1

n	a(n)
0	1
1	2
2	2
3	1
4	3
5	3
6	1
7	3
8	2
9	3
10	2
11	1
12	4
13	4
14	1
15	4
16	2
17	4
18	2
19	1
20	4
21	3
22	4
23	3
24	1
25	4
26	3
27	2
28	4
29	3
30	2
31	1
32	5
33	5
34	1
35	5
36	2
37	5
38	2
39	1
40	5
41	3
42	5
43	3
44	1
45	5
46	3
47	2
48	5
49	3
50	2
51	1
52	5
53	4
54	5
55	4
56	1
57	5
58	4
59	2
60	5
61	4
62	2
63	1
64	5
65	4
66	3
67	5
68	4
69	3
70	1
71	5
72	4
73	3
74	2
75	5
76	4
77	3
78	2
79	1
80	6
81	6
82	1
83	6
84	2
85	6
86	2
87	1