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.

A262680 Number of squares encountered before zero is reached when iterating A049820 starting from n: a(0) = 0 and for n >= 1, a(n) = A010052(n) + a(A049820(n)).

Table of values

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

List of values

[0, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1]