A334618 - cp's OEIS frontend

A334618 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 4, 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 hexagonal number (A000384).

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

[1, 2, 3, 4, 5, 6, 1, 7, 5, 8, 2, 9, 6, 10, 3, 11, 7, 12, 4, 13, 8, 14, 5, 15, 9, 1, 16, 6, 5, 17, 10, 9, 18, 7, 2, 19, 11, 6, 20, 8, 10, 21, 12, 3, 22, 9, 7, 23, 13, 11, 24, 10, 4, 25, 14, 8, 26, 11, 12, 27, 15, 5, 28, 12, 9, 1, 29, 16, 13, 5, 30, 13, 6, 9, 31, 17, 10, 13, 32, 14, 14, 2]

cp's OEIS Frontend

A334618 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 4, 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 hexagonal number (A000384).

Table of values

List of values

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

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

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