A229944 - cp's OEIS frontend

A229944 Triangle read by rows in which T(2n-2,k) = n/k if k divides n and n/k > sqrt(n), otherwise 0, for n >= 2. Also T(2n-1,k) = k if k divides n, otherwise 0, for n >= 1. Row lengths are the same row lengths of A229940.

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	2
9	5
10	0
11	1
12	0
13	6
14	3
15	1
16	2
17	7
18	0
19	1
20	0
21	8
22	4
23	1
24	2
25	9
26	0
27	1
28	0
29	3
30	10
31	5
32	0
33	1
34	2
35	0
36	11
37	0
38	0
39	1
40	0
41	0
42	12
43	6
44	4
45	1
46	2
47	3
48	13
49	0
50	0
51	1
52	0
53	0
54	14
55	7
56	0
57	1
58	2
59	0
60	15
61	0
62	5
63	1
64	0
65	3
66	16
67	8
68	0
69	1
70	2
71	0
72	4
73	17
74	0
75	0
76	0
77	1
78	0
79	0
80	0
81	18
82	9
83	6
84	0
85	1
86	2
87	3
88	0

[1, 2, 1, 3, 1, 4, 1, 2, 5, 0, 1, 0, 6, 3, 1, 2, 7, 0, 1, 0, 8, 4, 1, 2, 9, 0, 1, 0, 3, 10, 5, 0, 1, 2, 0, 11, 0, 0, 1, 0, 0, 12, 6, 4, 1, 2, 3, 13, 0, 0, 1, 0, 0, 14, 7, 0, 1, 2, 0, 15, 0, 5, 1, 0, 3, 16, 8, 0, 1, 2, 0, 4, 17, 0, 0, 0, 1, 0, 0, 0, 18, 9, 6, 0, 1, 2, 3, 0]

cp's OEIS Frontend

A229944 Triangle read by rows in which T(2n-2,k) = n/k if k divides n and n/k > sqrt(n), otherwise 0, for n >= 2. Also T(2n-1,k) = k if k divides n, otherwise 0, for n >= 1. Row lengths are the same row lengths of A229940.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	2
9	5
10	0
11	1
12	0
13	6
14	3
15	1
16	2
17	7
18	0
19	1
20	0
21	8
22	4
23	1
24	2
25	9
26	0
27	1
28	0
29	3
30	10
31	5
32	0
33	1
34	2
35	0
36	11
37	0
38	0
39	1
40	0
41	0
42	12
43	6
44	4
45	1
46	2
47	3
48	13
49	0
50	0
51	1
52	0
53	0
54	14
55	7
56	0
57	1
58	2
59	0
60	15
61	0
62	5
63	1
64	0
65	3
66	16
67	8
68	0
69	1
70	2
71	0
72	4
73	17
74	0
75	0
76	0
77	1
78	0
79	0
80	0
81	18
82	9
83	6
84	0
85	1
86	2
87	3
88	0

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	2
9	5
10	0
11	1
12	0
13	6
14	3
15	1
16	2
17	7
18	0
19	1
20	0
21	8
22	4
23	1
24	2
25	9
26	0
27	1
28	0
29	3
30	10
31	5
32	0
33	1
34	2
35	0
36	11
37	0
38	0
39	1
40	0
41	0
42	12
43	6
44	4
45	1
46	2
47	3
48	13
49	0
50	0
51	1
52	0
53	0
54	14
55	7
56	0
57	1
58	2
59	0
60	15
61	0
62	5
63	1
64	0
65	3
66	16
67	8
68	0
69	1
70	2
71	0
72	4
73	17
74	0
75	0
76	0
77	1
78	0
79	0
80	0
81	18
82	9
83	6
84	0
85	1
86	2
87	3
88	0

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	2
9	5
10	0
11	1
12	0
13	6
14	3
15	1
16	2
17	7
18	0
19	1
20	0
21	8
22	4
23	1
24	2
25	9
26	0
27	1
28	0
29	3
30	10
31	5
32	0
33	1
34	2
35	0
36	11
37	0
38	0
39	1
40	0
41	0
42	12
43	6
44	4
45	1
46	2
47	3
48	13
49	0
50	0
51	1
52	0
53	0
54	14
55	7
56	0
57	1
58	2
59	0
60	15
61	0
62	5
63	1
64	0
65	3
66	16
67	8
68	0
69	1
70	2
71	0
72	4
73	17
74	0
75	0
76	0
77	1
78	0
79	0
80	0
81	18
82	9
83	6
84	0
85	1
86	2
87	3
88	0