A308644 - cp's OEIS frontend

A308644 Number of ways to write n as (3^a5^b)^2 + c(3c+1)/2 + d*(7d+1)/2, where a and b are nonnegative integers, and c and d are integers.

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

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

cp's OEIS Frontend

A308644 Number of ways to write n as (3^a5^b)^2 + c(3c+1)/2 + d*(7d+1)/2, where a and b are nonnegative integers, and c and d are integers.

Table of values

List of values

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

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

cp's OEIS Frontend

A308644 Number of ways to write n as (3^a*5^b)^2 + c*(3c+1)/2 + d*(7d+1)/2, where a and b are nonnegative integers, and c and d are integers.

Table of values

List of values

A308644 Number of ways to write n as (3^a5^b)^2 + c(3c+1)/2 + d*(7d+1)/2, where a and b are nonnegative integers, and c and d are integers.

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