A085383 - cp's OEIS frontend

A085383 Triangle read by rows, 1 <= k <= n: T(n,k) = floor(n/k)*ceiling(n/k).

n	a(n)
1	1
2	4
3	1
4	9
5	2
6	1
7	16
8	4
9	2
10	1
11	25
12	6
13	2
14	2
15	1
16	36
17	9
18	4
19	2
20	2
21	1
22	49
23	12
24	6
25	2
26	2
27	2
28	1
29	64
30	16
31	6
32	4
33	2
34	2
35	2
36	1
37	81
38	20
39	9
40	6
41	2
42	2
43	2
44	2
45	1
46	100
47	25
48	12
49	6
50	4
51	2
52	2
53	2
54	2
55	1
56	121
57	30
58	12
59	6
60	6
61	2
62	2
63	2
64	2
65	2
66	1
67	144
68	36
69	16
70	9
71	6
72	4
73	2
74	2
75	2
76	2
77	2
78	1
79	169
80	42
81	20
82	12
83	6
84	6
85	2
86	2
87	2
88	2
89	2
90	2

[1, 4, 1, 9, 2, 1, 16, 4, 2, 1, 25, 6, 2, 2, 1, 36, 9, 4, 2, 2, 1, 49, 12, 6, 2, 2, 2, 1, 64, 16, 6, 4, 2, 2, 2, 1, 81, 20, 9, 6, 2, 2, 2, 2, 1, 100, 25, 12, 6, 4, 2, 2, 2, 2, 1, 121, 30, 12, 6, 6, 2, 2, 2, 2, 2, 1, 144, 36, 16, 9, 6, 4, 2, 2, 2, 2, 2, 1, 169, 42, 20, 12, 6, 6, 2, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A085383 Triangle read by rows, 1 <= k <= n: T(n,k) = floor(n/k)*ceiling(n/k).

Table of values

List of values

n	a(n)
1	1
2	4
3	1
4	9
5	2
6	1
7	16
8	4
9	2
10	1
11	25
12	6
13	2
14	2
15	1
16	36
17	9
18	4
19	2
20	2
21	1
22	49
23	12
24	6
25	2
26	2
27	2
28	1
29	64
30	16
31	6
32	4
33	2
34	2
35	2
36	1
37	81
38	20
39	9
40	6
41	2
42	2
43	2
44	2
45	1
46	100
47	25
48	12
49	6
50	4
51	2
52	2
53	2
54	2
55	1
56	121
57	30
58	12
59	6
60	6
61	2
62	2
63	2
64	2
65	2
66	1
67	144
68	36
69	16
70	9
71	6
72	4
73	2
74	2
75	2
76	2
77	2
78	1
79	169
80	42
81	20
82	12
83	6
84	6
85	2
86	2
87	2
88	2
89	2
90	2

n	a(n)
1	1
2	4
3	1
4	9
5	2
6	1
7	16
8	4
9	2
10	1
11	25
12	6
13	2
14	2
15	1
16	36
17	9
18	4
19	2
20	2
21	1
22	49
23	12
24	6
25	2
26	2
27	2
28	1
29	64
30	16
31	6
32	4
33	2
34	2
35	2
36	1
37	81
38	20
39	9
40	6
41	2
42	2
43	2
44	2
45	1
46	100
47	25
48	12
49	6
50	4
51	2
52	2
53	2
54	2
55	1
56	121
57	30
58	12
59	6
60	6
61	2
62	2
63	2
64	2
65	2
66	1
67	144
68	36
69	16
70	9
71	6
72	4
73	2
74	2
75	2
76	2
77	2
78	1
79	169
80	42
81	20
82	12
83	6
84	6
85	2
86	2
87	2
88	2
89	2
90	2

n	a(n)
1	1
2	4
3	1
4	9
5	2
6	1
7	16
8	4
9	2
10	1
11	25
12	6
13	2
14	2
15	1
16	36
17	9
18	4
19	2
20	2
21	1
22	49
23	12
24	6
25	2
26	2
27	2
28	1
29	64
30	16
31	6
32	4
33	2
34	2
35	2
36	1
37	81
38	20
39	9
40	6
41	2
42	2
43	2
44	2
45	1
46	100
47	25
48	12
49	6
50	4
51	2
52	2
53	2
54	2
55	1
56	121
57	30
58	12
59	6
60	6
61	2
62	2
63	2
64	2
65	2
66	1
67	144
68	36
69	16
70	9
71	6
72	4
73	2
74	2
75	2
76	2
77	2
78	1
79	169
80	42
81	20
82	12
83	6
84	6
85	2
86	2
87	2
88	2
89	2
90	2