A254629 - cp's OEIS frontend

A254629 Number of ways to write n as x^2 + y(y+1) + z(4*z+1) with x,y,z nonnegative integers.

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

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

cp's OEIS Frontend

A254629 Number of ways to write n as x^2 + y(y+1) + z(4*z+1) with x,y,z nonnegative integers.

Table of values

List of values

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

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

cp's OEIS Frontend

A254629 Number of ways to write n as x^2 + y*(y+1) + z*(4*z+1) with x,y,z nonnegative integers.

Table of values

List of values

A254629 Number of ways to write n as x^2 + y(y+1) + z(4*z+1) with x,y,z nonnegative integers.

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