A270705 - cp's OEIS frontend

A270705 Number of ordered ways to write n as x^2pen(x) + pen(y) + pen(z) with pen(x) = x(3x+1)/2 and pen(y) <= pen(z), where x, y and z are integers ("pen" stands for "pentagonal").

n	a(n)
0	1
1	2
2	5
3	5
4	6
5	4
6	3
7	4
8	4
9	4
10	3
11	2
12	3
13	3
14	6
15	4
16	4
17	4
18	3
19	3
20	3
21	4
22	6
23	5
24	6
25	5
26	5
27	8
28	8
29	9
30	7
31	5
32	7
33	6
34	7
35	9
36	7
37	10
38	5
39	5
40	9
41	6
42	12
43	7
44	8
45	6
46	3
47	10
48	6
49	5
50	7
51	5
52	8
53	7
54	8
55	9
56	5
57	9
58	8
59	7
60	5
61	7
62	7
63	5
64	6
65	6
66	5
67	4
68	6
69	4
70	8
71	5
72	9
73	6
74	3
75	7
76	5
77	8
78	8
79	8
80	8
81	6
82	6
83	6
84	6
85	6
86	8
87	3
88	1
89	4
90	6

[1, 2, 5, 5, 6, 4, 3, 4, 4, 4, 3, 2, 3, 3, 6, 4, 4, 4, 3, 3, 3, 4, 6, 5, 6, 5, 5, 8, 8, 9, 7, 5, 7, 6, 7, 9, 7, 10, 5, 5, 9, 6, 12, 7, 8, 6, 3, 10, 6, 5, 7, 5, 8, 7, 8, 9, 5, 9, 8, 7, 5, 7, 7, 5, 6, 6, 5, 4, 6, 4, 8, 5, 9, 6, 3, 7, 5, 8, 8, 8, 8, 6, 6, 6, 6, 6, 8, 3, 1, 4, 6]

cp's OEIS Frontend

A270705 Number of ordered ways to write n as x^2pen(x) + pen(y) + pen(z) with pen(x) = x(3x+1)/2 and pen(y) <= pen(z), where x, y and z are integers ("pen" stands for "pentagonal").

Table of values

List of values

n	a(n)
0	1
1	2
2	5
3	5
4	6
5	4
6	3
7	4
8	4
9	4
10	3
11	2
12	3
13	3
14	6
15	4
16	4
17	4
18	3
19	3
20	3
21	4
22	6
23	5
24	6
25	5
26	5
27	8
28	8
29	9
30	7
31	5
32	7
33	6
34	7
35	9
36	7
37	10
38	5
39	5
40	9
41	6
42	12
43	7
44	8
45	6
46	3
47	10
48	6
49	5
50	7
51	5
52	8
53	7
54	8
55	9
56	5
57	9
58	8
59	7
60	5
61	7
62	7
63	5
64	6
65	6
66	5
67	4
68	6
69	4
70	8
71	5
72	9
73	6
74	3
75	7
76	5
77	8
78	8
79	8
80	8
81	6
82	6
83	6
84	6
85	6
86	8
87	3
88	1
89	4
90	6

n	a(n)
0	1
1	2
2	5
3	5
4	6
5	4
6	3
7	4
8	4
9	4
10	3
11	2
12	3
13	3
14	6
15	4
16	4
17	4
18	3
19	3
20	3
21	4
22	6
23	5
24	6
25	5
26	5
27	8
28	8
29	9
30	7
31	5
32	7
33	6
34	7
35	9
36	7
37	10
38	5
39	5
40	9
41	6
42	12
43	7
44	8
45	6
46	3
47	10
48	6
49	5
50	7
51	5
52	8
53	7
54	8
55	9
56	5
57	9
58	8
59	7
60	5
61	7
62	7
63	5
64	6
65	6
66	5
67	4
68	6
69	4
70	8
71	5
72	9
73	6
74	3
75	7
76	5
77	8
78	8
79	8
80	8
81	6
82	6
83	6
84	6
85	6
86	8
87	3
88	1
89	4
90	6

cp's OEIS Frontend

A270705 Number of ordered ways to write n as x^2*pen(x) + pen(y) + pen(z) with pen(x) = x*(3x+1)/2 and pen(y) <= pen(z), where x, y and z are integers ("pen" stands for "pentagonal").

Table of values

List of values

A270705 Number of ordered ways to write n as x^2pen(x) + pen(y) + pen(z) with pen(x) = x(3x+1)/2 and pen(y) <= pen(z), where x, y and z are integers ("pen" stands for "pentagonal").

n	a(n)
0	1
1	2
2	5
3	5
4	6
5	4
6	3
7	4
8	4
9	4
10	3
11	2
12	3
13	3
14	6
15	4
16	4
17	4
18	3
19	3
20	3
21	4
22	6
23	5
24	6
25	5
26	5
27	8
28	8
29	9
30	7
31	5
32	7
33	6
34	7
35	9
36	7
37	10
38	5
39	5
40	9
41	6
42	12
43	7
44	8
45	6
46	3
47	10
48	6
49	5
50	7
51	5
52	8
53	7
54	8
55	9
56	5
57	9
58	8
59	7
60	5
61	7
62	7
63	5
64	6
65	6
66	5
67	4
68	6
69	4
70	8
71	5
72	9
73	6
74	3
75	7
76	5
77	8
78	8
79	8
80	8
81	6
82	6
83	6
84	6
85	6
86	8
87	3
88	1
89	4
90	6