A133827 - cp's OEIS frontend

A133827 Number of solutions to x + 7 * y = 2 * n in triangular numbers.

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

[1, 0, 0, 1, 1, 2, 0, 0, 0, 0, 0, 2, 1, 0, 2, 0, 0, 0, 2, 0, 0, 2, 0, 0, 1, 0, 2, 0, 0, 0, 0, 1, 0, 2, 0, 2, 0, 0, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 3, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 1, 0, 0]

cp's OEIS Frontend

A133827 Number of solutions to x + 7 * y = 2 * n in triangular numbers.

Table of values

List of values

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

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

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