A308662 - cp's OEIS frontend

A308662 Number of ways to write n as (2^a5^b)^2 + c(3c+1) + d*(3d+2), where a and b are nonnegative integers, and c and d are integers.

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

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

cp's OEIS Frontend

A308662 Number of ways to write n as (2^a5^b)^2 + c(3c+1) + d*(3d+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	2
5	2
6	3
7	1
8	2
9	3
10	1
11	3
12	2
13	2
14	2
15	2
16	4
17	2
18	2
19	5
20	3
21	3
22	3
23	3
24	3
25	4
26	6
27	4
28	3
29	3
30	5
31	4
32	4
33	3
34	6
35	5
36	6
37	3
38	2
39	6
40	3
41	6
42	2
43	3
44	4
45	4
46	6
47	5
48	5
49	4
50	4
51	6
52	1
53	4
54	4
55	4
56	6
57	3
58	5
59	2
60	6
61	7
62	3
63	2
64	5
65	5
66	4
67	5
68	6
69	8
70	5
71	6
72	5
73	4
74	8
75	3
76	7
77	3
78	3
79	7
80	3
81	6
82	7
83	4
84	4
85	7
86	7
87	4
88	4
89	8
90	7
91	4
92	3
93	6
94	4
95	7
96	7
97	4
98	1
99	6
100	7

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

cp's OEIS Frontend

A308662 Number of ways to write n as (2^a*5^b)^2 + c*(3c+1) + d*(3d+2), where a and b are nonnegative integers, and c and d are integers.

Table of values

List of values

A308662 Number of ways to write n as (2^a5^b)^2 + c(3c+1) + d*(3d+2), where a and b are nonnegative integers, and c and d are integers.

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