A134546 - cp's OEIS frontend

A134546 Triangle read by rows: T(n, k) = Sum_{j=0..n} floor(j / k).

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

[1, 3, 1, 6, 2, 1, 10, 4, 2, 1, 15, 6, 3, 2, 1, 21, 9, 5, 3, 2, 1, 28, 12, 7, 4, 3, 2, 1, 36, 16, 9, 6, 4, 3, 2, 1, 45, 20, 12, 8, 5, 4, 3, 2, 1, 55, 25, 15, 10, 7, 5, 4, 3, 2, 1, 66, 30, 18, 12, 9, 6, 5, 4, 3, 2, 1, 78, 36, 22, 15, 11, 8, 6, 5, 4, 3, 2, 1, 91, 42, 26, 18, 13, 10, 7, 6, 5, 4, 3, 2, 1]

cp's OEIS Frontend

A134546 Triangle read by rows: T(n, k) = Sum_{j=0..n} floor(j / k).

Table of values

List of values

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

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

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