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.

A306735 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of g.f. ((k+1-x)*(1-x)^(k-1))/((1-x)^k-x^(k+1)).

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 1
5 1
6 4
7 2
8 3
9 1
10 5
11 3
12 2
13 4
14 1
15 6
16 4
17 3
18 5
19 7
20 1
21 7
22 5
23 4
24 3
25 10
26 11
27 1
28 8
29 6
30 5
31 4
32 7
33 17
34 18
35 1
36 9
37 7
38 6
39 5
40 4
41 18
42 29
43 29
44 1
45 10
46 8
47 7
48 6
49 5
50 9
51 39
52 51
53 47
54 1
55 11
56 9
57 8
58 7
59 6
60 5
61 28
62 73
63 90
64 76
65 1
66 12
67 10
68 9
69 8
70 7
71 6
72 11
73 74
74 127
75 158
76 123
77 1
78 13
79 11
80 10
81 9
82 8
83 7
84 6
85 40
86 164
87 219
88 277
89 199
90 1

List of values

[1, 2, 1, 3, 1, 1, 4, 2, 3, 1, 5, 3, 2, 4, 1, 6, 4, 3, 5, 7, 1, 7, 5, 4, 3, 10, 11, 1, 8, 6, 5, 4, 7, 17, 18, 1, 9, 7, 6, 5, 4, 18, 29, 29, 1, 10, 8, 7, 6, 5, 9, 39, 51, 47, 1, 11, 9, 8, 7, 6, 5, 28, 73, 90, 76, 1, 12, 10, 9, 8, 7, 6, 11, 74, 127, 158, 123, 1, 13, 11, 10, 9, 8, 7, 6, 40, 164, 219, 277, 199, 1]