A303233 - cp's OEIS frontend

A303233 Number of ways to write n as a(a+1)/2 + b(b+1)/2 + 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	4
6	5
7	4
8	6
9	7
10	7
11	7
12	9
13	7
14	8
15	9
16	9
17	8
18	12
19	11
20	11
21	11
22	11
23	11
24	14
25	11
26	13
27	12
28	11
29	10
30	14
31	11
32	12
33	17
34	15
35	12
36	16
37	14
38	15
39	17
40	19
41	15
42	16
43	13
44	15
45	17
46	17
47	16
48	20
49	16
50	14
51	17
52	17
53	14
54	22
55	17
56	14
57	14
58	17
59	15
60	19

[0, 1, 2, 3, 4, 5, 4, 6, 7, 7, 7, 9, 7, 8, 9, 9, 8, 12, 11, 11, 11, 11, 11, 14, 11, 13, 12, 11, 10, 14, 11, 12, 17, 15, 12, 16, 14, 15, 17, 19, 15, 16, 13, 15, 17, 17, 16, 20, 16, 14, 17, 17, 14, 22, 17, 14, 14, 17, 15, 19]

cp's OEIS Frontend

A303233 Number of ways to write n as a(a+1)/2 + b(b+1)/2 + 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	4
6	5
7	4
8	6
9	7
10	7
11	7
12	9
13	7
14	8
15	9
16	9
17	8
18	12
19	11
20	11
21	11
22	11
23	11
24	14
25	11
26	13
27	12
28	11
29	10
30	14
31	11
32	12
33	17
34	15
35	12
36	16
37	14
38	15
39	17
40	19
41	15
42	16
43	13
44	15
45	17
46	17
47	16
48	20
49	16
50	14
51	17
52	17
53	14
54	22
55	17
56	14
57	14
58	17
59	15
60	19

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	4
8	6
9	7
10	7
11	7
12	9
13	7
14	8
15	9
16	9
17	8
18	12
19	11
20	11
21	11
22	11
23	11
24	14
25	11
26	13
27	12
28	11
29	10
30	14
31	11
32	12
33	17
34	15
35	12
36	16
37	14
38	15
39	17
40	19
41	15
42	16
43	13
44	15
45	17
46	17
47	16
48	20
49	16
50	14
51	17
52	17
53	14
54	22
55	17
56	14
57	14
58	17
59	15
60	19

cp's OEIS Frontend

A303233 Number of ways to write n as a*(a+1)/2 + b*(b+1)/2 + 2^c + 2^d, where a,b,c,d are nonnegative integers with a <= b and c <= d.

Table of values

List of values

A303233 Number of ways to write n as a(a+1)/2 + b(b+1)/2 + 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	4
6	5
7	4
8	6
9	7
10	7
11	7
12	9
13	7
14	8
15	9
16	9
17	8
18	12
19	11
20	11
21	11
22	11
23	11
24	14
25	11
26	13
27	12
28	11
29	10
30	14
31	11
32	12
33	17
34	15
35	12
36	16
37	14
38	15
39	17
40	19
41	15
42	16
43	13
44	15
45	17
46	17
47	16
48	20
49	16
50	14
51	17
52	17
53	14
54	22
55	17
56	14
57	14
58	17
59	15
60	19