A306250 - cp's OEIS frontend

A306250 Number of ways to write n as x(3x+1) + y(3y-1) + z(3z+2) + w(3w-2), where x,y,z,w are nonnegative integers with xyz = 0.

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

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

cp's OEIS Frontend

A306250 Number of ways to write n as x(3x+1) + y(3y-1) + z(3z+2) + w(3w-2), where x,y,z,w are nonnegative integers with xyz = 0.

Table of values

List of values

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

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

cp's OEIS Frontend

A306250 Number of ways to write n as x*(3x+1) + y*(3y-1) + z*(3z+2) + w*(3w-2), where x,y,z,w are nonnegative integers with x*y*z = 0.

Table of values

List of values

A306250 Number of ways to write n as x(3x+1) + y(3y-1) + z(3z+2) + w(3w-2), where x,y,z,w are nonnegative integers with xyz = 0.

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