A254573 - cp's OEIS frontend

A254573 Number of ways to write n = x(x+1) + y(3y+1)/2 + z(3*z-1)/2 with x,y,z nonnegative integers.

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

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

cp's OEIS Frontend

A254573 Number of ways to write n = x(x+1) + y(3y+1)/2 + z(3*z-1)/2 with x,y,z nonnegative integers.

Table of values

List of values

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

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

cp's OEIS Frontend

A254573 Number of ways to write n = x*(x+1) + y*(3*y+1)/2 + z*(3*z-1)/2 with x,y,z nonnegative integers.

Table of values

List of values

A254573 Number of ways to write n = x(x+1) + y(3y+1)/2 + z(3*z-1)/2 with x,y,z nonnegative integers.

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