A334945 - cp's OEIS frontend

A334945 Irregular triangle read by rows: T(n,k), n >= 1, k >= 1, in which column k lists successive blocks of k consecutive integers that differ by 3, where the m-th block starts with m, m >= 1, and the first element of column k is in the row that is the k-th pentagonal number (A000326).

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

[1, 2, 3, 4, 5, 1, 6, 4, 7, 2, 8, 5, 9, 3, 10, 6, 11, 4, 12, 7, 1, 13, 5, 4, 14, 8, 7, 15, 6, 2, 16, 9, 5, 17, 7, 8, 18, 10, 3, 19, 8, 6, 20, 11, 9, 21, 9, 4, 22, 12, 7, 1, 23, 10, 10, 4, 24, 13, 5, 7, 25, 11, 8, 10, 26, 14, 11, 2, 27, 12, 6, 5, 28, 15, 9, 8, 29, 13, 12, 11, 30, 16, 7, 3]

cp's OEIS Frontend

A334945 Irregular triangle read by rows: T(n,k), n >= 1, k >= 1, in which column k lists successive blocks of k consecutive integers that differ by 3, where the m-th block starts with m, m >= 1, and the first element of column k is in the row that is the k-th pentagonal number (A000326).

Table of values

List of values

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

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

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