A306462 - cp's OEIS frontend

A306462 Number of ways to write n as C(2w,2) + C(x+2,3) + C(y+3,4) + C(z+4,5), where C(n,k) denotes the binomial coefficient n!/(k!*(n-k)!), w is a positive integer and x,y,z are nonnegative integers.

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

[1, 3, 3, 1, 1, 4, 7, 6, 2, 2, 6, 8, 5, 1, 2, 9, 11, 5, 1, 4, 9, 12, 7, 2, 4, 10, 12, 7, 4, 6, 10, 11, 6, 5, 5, 10, 15, 8, 4, 7, 11, 14, 9, 4, 5, 11, 14, 6, 6, 10, 15, 12, 5, 7, 8, 11, 14, 7, 5, 6, 11, 14, 12, 11, 6, 11, 15, 12, 7, 9, 18, 21, 12, 5, 5, 15, 19, 11, 3, 5]

cp's OEIS Frontend

A306462 Number of ways to write n as C(2w,2) + C(x+2,3) + C(y+3,4) + C(z+4,5), where C(n,k) denotes the binomial coefficient n!/(k!*(n-k)!), w is a positive integer and x,y,z are nonnegative integers.

Table of values

List of values

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

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

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