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.

A254045 a(1) = 0, for n > 1: a(n) = a(A253889(n)) + floor((n modulo 3)/2).

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 2
6 0
7 1
8 1
9 1
10 3
11 2
12 2
13 2
14 3
15 1
16 1
17 1
18 0
19 0
20 2
21 3
22 3
23 2
24 2
25 2
26 2
27 1
28 2
29 4
30 2
31 1
32 3
33 4
34 1
35 3
36 4
37 3
38 3
39 3
40 4
41 4
42 2
43 2
44 2
45 3
46 1
47 2
48 2
49 3
50 2
51 4
52 3
53 1
54 2
55 2
56 1
57 2
58 2
59 3
60 5
61 3
62 4
63 1
64 3
65 4
66 0
67 3
68 3
69 5
70 5
71 3
72 3
73 4
74 3
75 4
76 4
77 3
78 2
79 3
80 2
81 1
82 3
83 3
84 4
85 2
86 5
87 3
88 2
89 3
90 3
91 3
92 2
93 2
94 2
95 4
96 3
97 1
98 5
99 5
100 4
101 2
102 2
103 1
104 4
105 1
106 3
107 5
108 1
109 5
110 4
111 3
112 3
113 4
114 1
115 3
116 4
117 3
118 6
119 5
120 3
121 1
122 5
123 3
124 2
125 3
126 3
127 5
128 3

List of values

[0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 2, 2, 2, 3, 1, 1, 1, 0, 0, 2, 3, 3, 2, 2, 2, 2, 1, 2, 4, 2, 1, 3, 4, 1, 3, 4, 3, 3, 3, 4, 4, 2, 2, 2, 3, 1, 2, 2, 3, 2, 4, 3, 1, 2, 2, 1, 2, 2, 3, 5, 3, 4, 1, 3, 4, 0, 3, 3, 5, 5, 3, 3, 4, 3, 4, 4, 3, 2, 3, 2, 1, 3, 3, 4, 2, 5, 3, 2, 3, 3, 3, 2, 2, 2, 4, 3, 1, 5, 5, 4, 2, 2, 1, 4, 1, 3, 5, 1, 5, 4, 3, 3, 4, 1, 3, 4, 3, 6, 5, 3, 1, 5, 3, 2, 3, 3, 5, 3]