A303432 - cp's OEIS frontend

A303432 Number of ways to write n as a(2a-1) + b(2b-1) + 2^c + 2^d, where a,b,c,d are nonnegative integers with a <= b and c <= d.

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

[0, 1, 2, 3, 3, 3, 2, 3, 4, 5, 4, 4, 2, 3, 3, 4, 5, 7, 5, 5, 4, 4, 4, 7, 5, 4, 3, 2, 2, 4, 5, 7, 8, 7, 5, 7, 5, 7, 7, 7, 4, 4, 2, 3, 5, 7, 6, 9, 7, 6, 5, 6, 5, 7, 7, 3, 3, 3, 3, 5, 7, 7, 8, 7, 6, 8, 5, 8, 8, 8, 5, 7, 4, 6, 7, 9, 8, 9, 7, 8]

cp's OEIS Frontend

A303432 Number of ways to write n as a(2a-1) + b(2b-1) + 2^c + 2^d, where a,b,c,d are nonnegative integers with a <= b and c <= d.

Table of values

List of values

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

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

cp's OEIS Frontend

A303432 Number of ways to write n as a*(2*a-1) + b*(2*b-1) + 2^c + 2^d, where a,b,c,d are nonnegative integers with a <= b and c <= d.

Table of values

List of values

A303432 Number of ways to write n as a(2a-1) + b(2b-1) + 2^c + 2^d, where a,b,c,d are nonnegative integers with a <= b and c <= d.

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