A254661 - cp's OEIS frontend

A254661 Number of ways to write n as the sum of a triangular number, an even square and a second pentagonal number.

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

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

cp's OEIS Frontend

A254661 Number of ways to write n as the sum of a triangular number, an even square and a second pentagonal number.

Table of values

List of values

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

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

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