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.

A242049 Decimal expansion of 'lambda', the Lyapunov exponent characterizing the asymptotic growth rate of the number of odd coefficients in Pascal trinomial triangle mod 2, where coefficients are from (1+x+x^2)^n.

Table of values

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

List of values

[4, 2, 9, 9, 4, 7, 4, 3, 3, 3, 4, 2, 4, 5, 2, 7, 2, 0, 1, 1, 4, 6, 9, 7, 0, 3, 5, 5, 1, 9, 9, 2, 2, 3, 2, 3, 3, 2, 4, 0, 6, 5, 0, 1, 1, 5, 8, 9, 3, 0, 4, 6, 1, 7, 0, 4, 0, 2, 7, 6, 0, 7, 2, 5, 7, 4, 2, 8, 3, 3, 7, 2, 8, 3, 1, 3, 9, 8, 1, 0, 5, 6, 8, 4, 5, 6, 3, 4, 9, 0, 0, 7, 4, 8, 4, 7, 4, 2, 5, 3, 6, 6, 5, 4, 3]