A254574 - cp's OEIS frontend

A254574 Number of ways to write n = x(x+1)/2 + y(3y+1)/2 + z(3*z-1)/2 with x,y,z nonnegative integers.

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

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

cp's OEIS Frontend

A254574 Number of ways to write n = x(x+1)/2 + 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	2
2	2
3	3
4	2
5	2
6	3
7	3
8	5
9	2
10	3
11	3
12	3
13	5
14	2
15	6
16	3
17	5
18	5
19	2
20	4
21	3
22	8
23	4
24	3
25	4
26	4
27	6
28	6
29	6
30	7
31	3
32	4
33	5
34	3
35	6
36	5
37	8
38	5
39	4
40	6
41	8
42	5
43	8
44	5
45	5
46	4
47	6
48	10
49	1
50	7
51	6
52	10
53	5
54	4
55	7
56	6
57	7
58	9
59	6
60	6
61	6
62	8
63	10
64	4
65	7
66	5
67	9
68	7
69	7
70	4

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

cp's OEIS Frontend

A254574 Number of ways to write n = x*(x+1)/2 + y*(3*y+1)/2 + z*(3*z-1)/2 with x,y,z nonnegative integers.

Table of values

List of values

A254574 Number of ways to write n = x(x+1)/2 + y(3y+1)/2 + z(3*z-1)/2 with x,y,z nonnegative integers.

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