A278108 - cp's OEIS frontend

A278108 Irregular triangle read by rows: T(n,k) = floor(n/k^2) for 1 <= k^2 <= n.

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

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

cp's OEIS Frontend

A278108 Irregular triangle read by rows: T(n,k) = floor(n/k^2) for 1 <= k^2 <= n.

Table of values

List of values

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

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

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