cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A306477 Number of ways to write n as C(w+2,2) + C(x+3,4) + C(y+5,6) + C(z+7,8) with w,x,y,z nonnegative integers, where C(m,k) denotes the binomial coefficient m!/(k!*(m-k)!).

Table of values

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

List of values

[1, 3, 4, 4, 3, 3, 5, 6, 5, 5, 8, 8, 6, 4, 6, 10, 10, 8, 6, 6, 6, 10, 9, 6, 6, 7, 7, 6, 8, 10, 10, 7, 4, 7, 7, 9, 13, 12, 9, 6, 5, 6, 11, 12, 12, 13, 10, 9, 8, 9, 11, 15, 12, 8, 8, 10, 14, 11, 7, 8, 12, 9, 8, 9, 10, 11, 13, 8, 5, 9, 10, 13, 14, 12, 8, 7, 6, 12, 14, 14]