A306249 - cp's OEIS frontend

A306249 Number of ways to write n as x(2x-1) + y(3y-1) + z(4z-1) + w(5w-1), where x,y,z are nonnegative integers and w is 0 or 1.

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

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

cp's OEIS Frontend

A306249 Number of ways to write n as x(2x-1) + y(3y-1) + z(4z-1) + w(5w-1), where x,y,z are nonnegative integers and w is 0 or 1.

Table of values

List of values

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

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

cp's OEIS Frontend

A306249 Number of ways to write n as x*(2x-1) + y*(3y-1) + z*(4z-1) + w*(5w-1), where x,y,z are nonnegative integers and w is 0 or 1.

Table of values

List of values

A306249 Number of ways to write n as x(2x-1) + y(3y-1) + z(4z-1) + w(5w-1), where x,y,z are nonnegative integers and w is 0 or 1.

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