A052343 - cp's OEIS frontend

A052343 Number of ways to write n as the unordered sum of two triangular numbers (zero allowed).

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

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

cp's OEIS Frontend

A052343 Number of ways to write n as the unordered sum of two triangular numbers (zero allowed).

Table of values

List of values

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

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

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