A308640 - cp's OEIS frontend

A308640 Number of ways to write n as (2^a3^b)^2 + c(2c+1) + d*(3d+1)/2, where a,b,c are nonnegative integers and d is an integer.

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

[1, 1, 1, 2, 2, 3, 1, 2, 4, 1, 4, 3, 3, 4, 1, 7, 2, 2, 7, 2, 5, 2, 4, 5, 1, 8, 5, 2, 3, 4, 6, 2, 3, 4, 2, 3, 7, 6, 5, 4, 7, 6, 1, 7, 5, 4, 6, 4, 4, 1, 6, 9, 2, 5, 3, 3, 5, 6, 7, 4, 7, 5, 4, 6, 6, 6, 4, 4, 5, 3, 9, 7, 4, 8, 2, 8, 5, 4, 10, 3, 9, 6, 5, 6, 4, 11, 7, 5, 8, 4, 7, 7, 8, 8, 2, 14, 6, 3, 8, 4]

cp's OEIS Frontend

A308640 Number of ways to write n as (2^a3^b)^2 + c(2c+1) + d*(3d+1)/2, where a,b,c are nonnegative integers and d is an integer.

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

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

cp's OEIS Frontend

A308640 Number of ways to write n as (2^a*3^b)^2 + c*(2c+1) + d*(3d+1)/2, where a,b,c are nonnegative integers and d is an integer.

Table of values

List of values

A308640 Number of ways to write n as (2^a3^b)^2 + c(2c+1) + d*(3d+1)/2, where a,b,c are nonnegative integers and d is an integer.

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