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.

A260534 Square array read by ascending antidiagonals, T(n,k) = Sum_{j=0..k} n^j*(C(k-j,j) mod 2).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 1
10 1
11 1
12 3
13 1
14 1
15 1
16 1
17 4
18 1
19 3
20 1
21 1
22 1
23 5
24 1
25 7
26 2
27 1
28 1
29 1
30 6
31 1
32 13
33 5
34 3
35 1
36 1
37 1
38 7
39 1
40 21
41 10
42 11
43 1
44 1
45 1
46 1
47 8
48 1
49 31
50 17
51 31
52 1
53 4
54 1
55 1
56 1
57 9
58 1
59 43
60 26
61 69
62 1
63 23
64 3
65 1
66 1
67 1
68 10
69 1
70 57
71 37
72 131
73 1
74 94
75 21
76 5
77 1
78 1
79 1
80 11

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 4, 1, 3, 1, 1, 1, 5, 1, 7, 2, 1, 1, 1, 6, 1, 13, 5, 3, 1, 1, 1, 7, 1, 21, 10, 11, 1, 1, 1, 1, 8, 1, 31, 17, 31, 1, 4, 1, 1, 1, 9, 1, 43, 26, 69, 1, 23, 3, 1, 1, 1, 10, 1, 57, 37, 131, 1, 94, 21, 5, 1, 1, 1, 11]