A290870 - cp's OEIS frontend

A290870 a(n) is the number of ways to represent n as n = xy + yz + z*x where 0 < x < y < z.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	0
13	0
14	1
15	0
16	0
17	1
18	0
19	1
20	1
21	0
22	0
23	2
24	0
25	0
26	2
27	1
28	0
29	2
30	0
31	2
32	1
33	0
34	1
35	2
36	1
37	0
38	2
39	2
40	0
41	3
42	0
43	1
44	3
45	0
46	1
47	4
48	0
49	1
50	2
51	2
52	1
53	2
54	2
55	2
56	3
57	0
58	0
59	5
60	0
61	2
62	3
63	2
64	1
65	2
66	2
67	1
68	4
69	2
70	0
71	6
72	0
73	1
74	4
75	2
76	3
77	2
78	0
79	4
80	3
81	2
82	1
83	5
84	2
85	0
86	4
87	4
88	0
89	5
90	2
91	2
92	4
93	0
94	3
95	6
96	2
97	1
98	3
99	3
100	1

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 2, 1, 0, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 2, 0, 3, 0, 1, 3, 0, 1, 4, 0, 1, 2, 2, 1, 2, 2, 2, 3, 0, 0, 5, 0, 2, 3, 2, 1, 2, 2, 1, 4, 2, 0, 6, 0, 1, 4, 2, 3, 2, 0, 4, 3, 2, 1, 5, 2, 0, 4, 4, 0, 5, 2, 2, 4, 0, 3, 6, 2, 1, 3, 3, 1]

cp's OEIS Frontend

A290870 a(n) is the number of ways to represent n as n = xy + yz + z*x where 0 < x < y < z.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	0
13	0
14	1
15	0
16	0
17	1
18	0
19	1
20	1
21	0
22	0
23	2
24	0
25	0
26	2
27	1
28	0
29	2
30	0
31	2
32	1
33	0
34	1
35	2
36	1
37	0
38	2
39	2
40	0
41	3
42	0
43	1
44	3
45	0
46	1
47	4
48	0
49	1
50	2
51	2
52	1
53	2
54	2
55	2
56	3
57	0
58	0
59	5
60	0
61	2
62	3
63	2
64	1
65	2
66	2
67	1
68	4
69	2
70	0
71	6
72	0
73	1
74	4
75	2
76	3
77	2
78	0
79	4
80	3
81	2
82	1
83	5
84	2
85	0
86	4
87	4
88	0
89	5
90	2
91	2
92	4
93	0
94	3
95	6
96	2
97	1
98	3
99	3
100	1

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	0
13	0
14	1
15	0
16	0
17	1
18	0
19	1
20	1
21	0
22	0
23	2
24	0
25	0
26	2
27	1
28	0
29	2
30	0
31	2
32	1
33	0
34	1
35	2
36	1
37	0
38	2
39	2
40	0
41	3
42	0
43	1
44	3
45	0
46	1
47	4
48	0
49	1
50	2
51	2
52	1
53	2
54	2
55	2
56	3
57	0
58	0
59	5
60	0
61	2
62	3
63	2
64	1
65	2
66	2
67	1
68	4
69	2
70	0
71	6
72	0
73	1
74	4
75	2
76	3
77	2
78	0
79	4
80	3
81	2
82	1
83	5
84	2
85	0
86	4
87	4
88	0
89	5
90	2
91	2
92	4
93	0
94	3
95	6
96	2
97	1
98	3
99	3
100	1

cp's OEIS Frontend

A290870 a(n) is the number of ways to represent n as n = x*y + y*z + z*x where 0 < x < y < z.

Table of values

List of values

A290870 a(n) is the number of ways to represent n as n = xy + yz + z*x where 0 < x < y < z.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	0
13	0
14	1
15	0
16	0
17	1
18	0
19	1
20	1
21	0
22	0
23	2
24	0
25	0
26	2
27	1
28	0
29	2
30	0
31	2
32	1
33	0
34	1
35	2
36	1
37	0
38	2
39	2
40	0
41	3
42	0
43	1
44	3
45	0
46	1
47	4
48	0
49	1
50	2
51	2
52	1
53	2
54	2
55	2
56	3
57	0
58	0
59	5
60	0
61	2
62	3
63	2
64	1
65	2
66	2
67	1
68	4
69	2
70	0
71	6
72	0
73	1
74	4
75	2
76	3
77	2
78	0
79	4
80	3
81	2
82	1
83	5
84	2
85	0
86	4
87	4
88	0
89	5
90	2
91	2
92	4
93	0
94	3
95	6
96	2
97	1
98	3
99	3
100	1