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.

A272636 a(0)=0, a(1)=1; thereafter a(n) = squarefree part of a(n-1)+a(n-2).

Table of values

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

List of values

[0, 1, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7, 1, 2, 3, 5, 2, 7]