A082660 - cp's OEIS frontend

A082660 Number of ways n can be expressed as the sum of a square and a triangular number.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	0
9	0
10	3
11	1
12	1
13	0
14	1
15	2
16	1
17	1
18	0
19	3
20	0
21	1
22	2
23	0
24	1
25	1
26	2
27	0
28	2
29	1
30	1
31	2
32	1
33	0
34	0
35	1
36	1
37	4
38	0
39	1
40	2
41	0
42	1
43	0
44	1
45	2
46	3
47	0
48	0
49	1
50	1
51	1
52	2
53	1
54	1
55	2
56	1
57	1
58	0
59	2
60	0
61	2
62	0
63	0
64	3
65	1
66	1
67	2
68	0
69	0
70	4
71	1
72	1
73	0
74	1
75	1
76	0
77	1
78	1
79	2
80	1
81	1
82	3
83	0
84	1
85	2
86	0
87	2
88	0
89	0
90	0
91	4
92	2
93	0
94	2
95	1
96	1
97	0
98	0
99	0
100	2
101	1
102	2
103	2
104	1
105	1

[1, 1, 1, 1, 1, 1, 2, 0, 0, 3, 1, 1, 0, 1, 2, 1, 1, 0, 3, 0, 1, 2, 0, 1, 1, 2, 0, 2, 1, 1, 2, 1, 0, 0, 1, 1, 4, 0, 1, 2, 0, 1, 0, 1, 2, 3, 0, 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 0, 2, 0, 2, 0, 0, 3, 1, 1, 2, 0, 0, 4, 1, 1, 0, 1, 1, 0, 1, 1, 2, 1, 1, 3, 0, 1, 2, 0, 2, 0, 0, 0, 4, 2, 0, 2, 1, 1, 0, 0, 0, 2, 1, 2, 2, 1, 1]

cp's OEIS Frontend

A082660 Number of ways n can be expressed as the sum of a square and a triangular number.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	0
9	0
10	3
11	1
12	1
13	0
14	1
15	2
16	1
17	1
18	0
19	3
20	0
21	1
22	2
23	0
24	1
25	1
26	2
27	0
28	2
29	1
30	1
31	2
32	1
33	0
34	0
35	1
36	1
37	4
38	0
39	1
40	2
41	0
42	1
43	0
44	1
45	2
46	3
47	0
48	0
49	1
50	1
51	1
52	2
53	1
54	1
55	2
56	1
57	1
58	0
59	2
60	0
61	2
62	0
63	0
64	3
65	1
66	1
67	2
68	0
69	0
70	4
71	1
72	1
73	0
74	1
75	1
76	0
77	1
78	1
79	2
80	1
81	1
82	3
83	0
84	1
85	2
86	0
87	2
88	0
89	0
90	0
91	4
92	2
93	0
94	2
95	1
96	1
97	0
98	0
99	0
100	2
101	1
102	2
103	2
104	1
105	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	0
9	0
10	3
11	1
12	1
13	0
14	1
15	2
16	1
17	1
18	0
19	3
20	0
21	1
22	2
23	0
24	1
25	1
26	2
27	0
28	2
29	1
30	1
31	2
32	1
33	0
34	0
35	1
36	1
37	4
38	0
39	1
40	2
41	0
42	1
43	0
44	1
45	2
46	3
47	0
48	0
49	1
50	1
51	1
52	2
53	1
54	1
55	2
56	1
57	1
58	0
59	2
60	0
61	2
62	0
63	0
64	3
65	1
66	1
67	2
68	0
69	0
70	4
71	1
72	1
73	0
74	1
75	1
76	0
77	1
78	1
79	2
80	1
81	1
82	3
83	0
84	1
85	2
86	0
87	2
88	0
89	0
90	0
91	4
92	2
93	0
94	2
95	1
96	1
97	0
98	0
99	0
100	2
101	1
102	2
103	2
104	1
105	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	0
9	0
10	3
11	1
12	1
13	0
14	1
15	2
16	1
17	1
18	0
19	3
20	0
21	1
22	2
23	0
24	1
25	1
26	2
27	0
28	2
29	1
30	1
31	2
32	1
33	0
34	0
35	1
36	1
37	4
38	0
39	1
40	2
41	0
42	1
43	0
44	1
45	2
46	3
47	0
48	0
49	1
50	1
51	1
52	2
53	1
54	1
55	2
56	1
57	1
58	0
59	2
60	0
61	2
62	0
63	0
64	3
65	1
66	1
67	2
68	0
69	0
70	4
71	1
72	1
73	0
74	1
75	1
76	0
77	1
78	1
79	2
80	1
81	1
82	3
83	0
84	1
85	2
86	0
87	2
88	0
89	0
90	0
91	4
92	2
93	0
94	2
95	1
96	1
97	0
98	0
99	0
100	2
101	1
102	2
103	2
104	1
105	1