A235791 - cp's OEIS frontend

A235791 Irregular triangle read by rows: T(n,k), n >= 1, k >= 1, in which column k lists k copies of every positive integer in nondecreasing order, and the first element of column k is in row k(k+1)/2.

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

[1, 2, 3, 1, 4, 1, 5, 2, 6, 2, 1, 7, 3, 1, 8, 3, 1, 9, 4, 2, 10, 4, 2, 1, 11, 5, 2, 1, 12, 5, 3, 1, 13, 6, 3, 1, 14, 6, 3, 2, 15, 7, 4, 2, 1, 16, 7, 4, 2, 1, 17, 8, 4, 2, 1, 18, 8, 5, 3, 1, 19, 9, 5, 3, 1, 20, 9, 5, 3, 2, 21, 10, 6, 3, 2, 1, 22, 10, 6, 4, 2, 1, 23, 11, 6, 4, 2, 1, 24, 11, 7, 4, 2, 1]

cp's OEIS Frontend

A235791 Irregular triangle read by rows: T(n,k), n >= 1, k >= 1, in which column k lists k copies of every positive integer in nondecreasing order, and the first element of column k is in row k(k+1)/2.

Table of values

List of values

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

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

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