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.

A141728 Triangle read by rows T(n,k). Triangle elements are 0 and 1. Starting with 1 in the top add below a second row of (2n-1) elements (with n=2 -> 3). Moving from left to right add 1 if the number of adjacent 1's is even or add 0 if it is odd. See example below.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 1
5 0
6 1
7 0
8 1
9 0
10 0
11 1
12 1
13 0
14 0
15 0
16 1
17 0
18 0
19 1
20 0
21 0
22 1
23 0
24 1
25 0
26 0
27 0
28 0
29 0
30 0
31 0
32 0
33 1
34 1
35 1
36 1
37 0
38 1
39 0
40 1
41 0
42 1
43 0
44 0
45 1
46 1
47 0
48 0
49 0
50 0
51 1
52 1
53 0
54 0
55 1
56 1
57 1
58 1
59 0
60 1
61 1
62 0
63 1
64 1
65 0
66 0
67 1
68 0
69 0
70 0
71 1
72 1
73 1
74 0
75 1
76 0
77 1
78 0
79 0
80 0
81 0
82 0
83 0
84 0
85 0
86 0
87 1
88 1
89 0
90 0
91 1
92 0
93 0
94 1
95 1
96 1
97 0
98 1
99 0
100 1
101 0
102 1
103 0
104 1

List of values

[1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1]