A211272 - cp's OEIS frontend

A211272 Number of integer pairs (x,y) such that 0 and x*y=floor(n/2).

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	1
15	1
16	2
17	2
18	2
19	2
20	2
21	2
22	1
23	1
24	3
25	3
26	1
27	1
28	2
29	2
30	2
31	2
32	3
33	3
34	1
35	1
36	3
37	3
38	1
39	1
40	3
41	3
42	2
43	2
44	2
45	2
46	1
47	1
48	4
49	4
50	2
51	2
52	2
53	2
54	2
55	2
56	3
57	3
58	1
59	1
60	4
61	4
62	1
63	1
64	3
65	3
66	2
67	2
68	2
69	2
70	2
71	2
72	5
73	5
74	1
75	1
76	2
77	2
78	2
79	2
80	4
81	4
82	1
83	1
84	4
85	4
86	1
87	1
88	3
89	3
90	3
91	3
92	2
93	2
94	1
95	1
96	5
97	5
98	2
99	2

[0, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 3, 3, 1, 1, 2, 2, 2, 2, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 2, 2, 2, 2, 1, 1, 4, 4, 2, 2, 2, 2, 2, 2, 3, 3, 1, 1, 4, 4, 1, 1, 3, 3, 2, 2, 2, 2, 2, 2, 5, 5, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 4, 4, 1, 1, 3, 3, 3, 3, 2, 2, 1, 1, 5, 5, 2, 2]

cp's OEIS Frontend

A211272 Number of integer pairs (x,y) such that 0 and x*y=floor(n/2).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	1
15	1
16	2
17	2
18	2
19	2
20	2
21	2
22	1
23	1
24	3
25	3
26	1
27	1
28	2
29	2
30	2
31	2
32	3
33	3
34	1
35	1
36	3
37	3
38	1
39	1
40	3
41	3
42	2
43	2
44	2
45	2
46	1
47	1
48	4
49	4
50	2
51	2
52	2
53	2
54	2
55	2
56	3
57	3
58	1
59	1
60	4
61	4
62	1
63	1
64	3
65	3
66	2
67	2
68	2
69	2
70	2
71	2
72	5
73	5
74	1
75	1
76	2
77	2
78	2
79	2
80	4
81	4
82	1
83	1
84	4
85	4
86	1
87	1
88	3
89	3
90	3
91	3
92	2
93	2
94	1
95	1
96	5
97	5
98	2
99	2

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	1
15	1
16	2
17	2
18	2
19	2
20	2
21	2
22	1
23	1
24	3
25	3
26	1
27	1
28	2
29	2
30	2
31	2
32	3
33	3
34	1
35	1
36	3
37	3
38	1
39	1
40	3
41	3
42	2
43	2
44	2
45	2
46	1
47	1
48	4
49	4
50	2
51	2
52	2
53	2
54	2
55	2
56	3
57	3
58	1
59	1
60	4
61	4
62	1
63	1
64	3
65	3
66	2
67	2
68	2
69	2
70	2
71	2
72	5
73	5
74	1
75	1
76	2
77	2
78	2
79	2
80	4
81	4
82	1
83	1
84	4
85	4
86	1
87	1
88	3
89	3
90	3
91	3
92	2
93	2
94	1
95	1
96	5
97	5
98	2
99	2

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	1
15	1
16	2
17	2
18	2
19	2
20	2
21	2
22	1
23	1
24	3
25	3
26	1
27	1
28	2
29	2
30	2
31	2
32	3
33	3
34	1
35	1
36	3
37	3
38	1
39	1
40	3
41	3
42	2
43	2
44	2
45	2
46	1
47	1
48	4
49	4
50	2
51	2
52	2
53	2
54	2
55	2
56	3
57	3
58	1
59	1
60	4
61	4
62	1
63	1
64	3
65	3
66	2
67	2
68	2
69	2
70	2
71	2
72	5
73	5
74	1
75	1
76	2
77	2
78	2
79	2
80	4
81	4
82	1
83	1
84	4
85	4
86	1
87	1
88	3
89	3
90	3
91	3
92	2
93	2
94	1
95	1
96	5
97	5
98	2
99	2