A160325 - cp's OEIS frontend

A160325 Number of ways to express n=0,1,2,... as the sum of a triangular number, an even square and a pentagonal number.

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

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

cp's OEIS Frontend

A160325 Number of ways to express n=0,1,2,... as the sum of a triangular number, an even square and a pentagonal number.

Table of values

List of values

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

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

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