A224823 - cp's OEIS frontend

A224823 Number of solutions to n = x + y + 3*z where x, y, z are triangular numbers.

n	a(n)
0	1
1	2
2	1
3	3
4	4
5	1
6	5
7	4
8	0
9	6
10	6
11	3
12	5
13	6
14	2
15	6
16	8
17	0
18	7
19	8
20	4
21	9
22	6
23	1
24	11
25	10
26	0
27	8
28	6
29	5
30	9
31	12
32	3
33	7
34	14
35	0
36	11
37	8
38	5
39	13
40	10
41	4
42	8
43	8
44	0
45	14
46	16
47	5
48	11
49	12
50	1
51	16
52	10
53	0
54	14
55	14
56	7
57	9
58	12
59	5
60	14
61	14
62	0
63	7
64	16
65	7
66	18
67	14
68	4
69	19
70	10
71	0
72	12
73	16
74	9
75	13
76	20
77	0

[1, 2, 1, 3, 4, 1, 5, 4, 0, 6, 6, 3, 5, 6, 2, 6, 8, 0, 7, 8, 4, 9, 6, 1, 11, 10, 0, 8, 6, 5, 9, 12, 3, 7, 14, 0, 11, 8, 5, 13, 10, 4, 8, 8, 0, 14, 16, 5, 11, 12, 1, 16, 10, 0, 14, 14, 7, 9, 12, 5, 14, 14, 0, 7, 16, 7, 18, 14, 4, 19, 10, 0, 12, 16, 9, 13, 20, 0]

cp's OEIS Frontend

A224823 Number of solutions to n = x + y + 3*z where x, y, z are triangular numbers.

Table of values

List of values

n	a(n)
0	1
1	2
2	1
3	3
4	4
5	1
6	5
7	4
8	0
9	6
10	6
11	3
12	5
13	6
14	2
15	6
16	8
17	0
18	7
19	8
20	4
21	9
22	6
23	1
24	11
25	10
26	0
27	8
28	6
29	5
30	9
31	12
32	3
33	7
34	14
35	0
36	11
37	8
38	5
39	13
40	10
41	4
42	8
43	8
44	0
45	14
46	16
47	5
48	11
49	12
50	1
51	16
52	10
53	0
54	14
55	14
56	7
57	9
58	12
59	5
60	14
61	14
62	0
63	7
64	16
65	7
66	18
67	14
68	4
69	19
70	10
71	0
72	12
73	16
74	9
75	13
76	20
77	0

n	a(n)
0	1
1	2
2	1
3	3
4	4
5	1
6	5
7	4
8	0
9	6
10	6
11	3
12	5
13	6
14	2
15	6
16	8
17	0
18	7
19	8
20	4
21	9
22	6
23	1
24	11
25	10
26	0
27	8
28	6
29	5
30	9
31	12
32	3
33	7
34	14
35	0
36	11
37	8
38	5
39	13
40	10
41	4
42	8
43	8
44	0
45	14
46	16
47	5
48	11
49	12
50	1
51	16
52	10
53	0
54	14
55	14
56	7
57	9
58	12
59	5
60	14
61	14
62	0
63	7
64	16
65	7
66	18
67	14
68	4
69	19
70	10
71	0
72	12
73	16
74	9
75	13
76	20
77	0

n	a(n)
0	1
1	2
2	1
3	3
4	4
5	1
6	5
7	4
8	0
9	6
10	6
11	3
12	5
13	6
14	2
15	6
16	8
17	0
18	7
19	8
20	4
21	9
22	6
23	1
24	11
25	10
26	0
27	8
28	6
29	5
30	9
31	12
32	3
33	7
34	14
35	0
36	11
37	8
38	5
39	13
40	10
41	4
42	8
43	8
44	0
45	14
46	16
47	5
48	11
49	12
50	1
51	16
52	10
53	0
54	14
55	14
56	7
57	9
58	12
59	5
60	14
61	14
62	0
63	7
64	16
65	7
66	18
67	14
68	4
69	19
70	10
71	0
72	12
73	16
74	9
75	13
76	20
77	0