A308584 - cp's OEIS frontend

A308584 Number of ways to write n as a(a+1)/2 + b(b+1)/2 + 5^c*8^d, where a,b,c,d are nonnegative integers with a <= b.

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

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

cp's OEIS Frontend

A308584 Number of ways to write n as a(a+1)/2 + b(b+1)/2 + 5^c*8^d, where a,b,c,d are nonnegative integers with a <= b.

Table of values

List of values

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

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

cp's OEIS Frontend

A308584 Number of ways to write n as a*(a+1)/2 + b*(b+1)/2 + 5^c*8^d, where a,b,c,d are nonnegative integers with a <= b.

Table of values

List of values

A308584 Number of ways to write n as a(a+1)/2 + b(b+1)/2 + 5^c*8^d, where a,b,c,d are nonnegative integers with a <= b.

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