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.

A006338 An "eta-sequence": floor((n+1)*sqrt(2) + 1/2) - floor(n*sqrt(2) + 1/2).

Table of values

n a(n)
1 2
2 1
3 2
4 1
5 1
6 2
7 1
8 2
9 1
10 2
11 1
12 1
13 2
14 1
15 2
16 1
17 1
18 2
19 1
20 2
21 1
22 2
23 1
24 1
25 2
26 1
27 2
28 1
29 1
30 2
31 1
32 2
33 1
34 1
35 2
36 1
37 2
38 1
39 2
40 1
41 1
42 2
43 1
44 2
45 1
46 1
47 2
48 1
49 2
50 1
51 2
52 1
53 1
54 2
55 1
56 2
57 1
58 1
59 2
60 1
61 2
62 1
63 2
64 1
65 1
66 2
67 1
68 2
69 1
70 1
71 2
72 1
73 2
74 1
75 1
76 2
77 1
78 2
79 1
80 2
81 1
82 1
83 2
84 1
85 2
86 1
87 1
88 2
89 1
90 2
91 1
92 2
93 1
94 1
95 2
96 1
97 2
98 1
99 1
100 2
101 1
102 2
103 1
104 1
105 2

List of values

[2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2]