A255350 - cp's OEIS frontend

A255350 Number of ways to write n as a(2a-1)+ b(2b-1) + c(2c+1) + d(2d+1), where a,b,c,d are nonnegative integers with a <= b and c <= d.

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

[1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 3, 2, 1, 3, 2, 1, 2, 2, 2, 4, 4, 1, 2, 3, 3, 3, 3, 2, 2, 4, 3, 3, 3, 2, 5, 4, 3, 3, 4, 3, 4, 5, 2, 3, 5, 3, 5, 5, 2, 5, 5, 3, 5, 4, 4, 5, 6, 5, 4, 4, 3, 4, 5, 5, 7, 7, 1, 5, 7, 4, 7, 7, 4, 3, 8, 5, 5, 6, 6, 5, 6, 4, 6, 6, 5, 10, 7, 3, 5, 8, 7, 9, 7, 4, 4, 9, 5, 4, 8]

cp's OEIS Frontend

A255350 Number of ways to write n as a(2a-1)+ b(2b-1) + c(2c+1) + d(2d+1), where a,b,c,d are nonnegative integers with a <= b and c <= d.

Table of values

List of values

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

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

cp's OEIS Frontend

A255350 Number of ways to write n as a*(2a-1)+ b*(2b-1) + c*(2c+1) + d*(2d+1), where a,b,c,d are nonnegative integers with a <= b and c <= d.

Table of values

List of values

A255350 Number of ways to write n as a(2a-1)+ b(2b-1) + c(2c+1) + d(2d+1), where a,b,c,d are nonnegative integers with a <= b and c <= d.

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