A303428 - cp's OEIS frontend

A303428 Number of ways to write n as x(3x-2) + y(3y-2) + 3^u + 3^v, where x,y,u,v are integers with x <= y and 0 <= u <= v.

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

[0, 1, 1, 2, 1, 2, 2, 2, 1, 3, 3, 5, 2, 3, 3, 2, 2, 5, 4, 5, 2, 3, 5, 2, 3, 5, 4, 7, 2, 4, 5, 3, 4, 6, 4, 7, 3, 6, 6, 4, 4, 5, 5, 9, 5, 6, 6, 2, 5, 5, 7, 8, 4, 5, 4, 4, 4, 6, 6, 8, 3, 6, 6, 3, 4, 6, 7, 8, 5, 8, 6, 5, 4, 6, 7, 8, 6, 6, 6, 2]

cp's OEIS Frontend

A303428 Number of ways to write n as x(3x-2) + y(3y-2) + 3^u + 3^v, where x,y,u,v are integers with x <= y and 0 <= u <= v.

Table of values

List of values

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

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

cp's OEIS Frontend

A303428 Number of ways to write n as x*(3*x-2) + y*(3*y-2) + 3^u + 3^v, where x,y,u,v are integers with x <= y and 0 <= u <= v.

Table of values

List of values

A303428 Number of ways to write n as x(3x-2) + y(3y-2) + 3^u + 3^v, where x,y,u,v are integers with x <= y and 0 <= u <= v.

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