A271608 - cp's OEIS frontend

A271608 Number of ordered ways to write n as pen(u) + pen(v) + pen(x) + pen(y) + pen(z) with u,v,x,y,z nonnegative integers such that u + 2v + 4x + 5y + 6z is a pentagonal number, where pen(k) denotes the pentagonal number k*(3k-1)/2.

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

[1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 3, 3, 3, 3, 3, 3, 4, 2, 6, 4, 2, 1, 1, 8, 4, 5, 2, 2, 7, 10, 9, 2, 3, 4, 5, 6, 6, 5, 2, 7, 11, 11, 4, 1, 5, 8, 13, 8, 6, 5, 3, 8, 8, 12, 7, 3, 8, 18, 16, 12, 2, 7, 10, 15, 11, 10, 4, 4, 11, 15, 22]

cp's OEIS Frontend

A271608 Number of ordered ways to write n as pen(u) + pen(v) + pen(x) + pen(y) + pen(z) with u,v,x,y,z nonnegative integers such that u + 2v + 4x + 5y + 6z is a pentagonal number, where pen(k) denotes the pentagonal number k*(3k-1)/2.

Table of values

List of values

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

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

cp's OEIS Frontend

A271608 Number of ordered ways to write n as pen(u) + pen(v) + pen(x) + pen(y) + pen(z) with u,v,x,y,z nonnegative integers such that u + 2*v + 4*x + 5*y + 6*z is a pentagonal number, where pen(k) denotes the pentagonal number k*(3k-1)/2.

Table of values

List of values

A271608 Number of ordered ways to write n as pen(u) + pen(v) + pen(x) + pen(y) + pen(z) with u,v,x,y,z nonnegative integers such that u + 2v + 4x + 5y + 6z is a pentagonal number, where pen(k) denotes the pentagonal number k*(3k-1)/2.

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