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.

A214506 Last digit of the smallest prime number in base 10 with n digits.

Table of values

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

List of values

[2, 1, 1, 9, 7, 3, 3, 9, 7, 7, 9, 3, 9, 7, 1, 7, 1, 3, 3, 1, 9, 7, 9, 7, 7, 3, 7, 3, 1, 9, 7, 3, 9, 1, 3, 9, 7, 3, 3, 3, 1, 9, 3, 7, 1, 9, 1, 3, 3, 9, 1, 1, 7, 1, 1, 1, 3, 9, 9, 9, 7, 3, 7, 1, 7, 9, 9, 9, 9, 9, 3, 3, 9, 9, 7, 9, 3, 1, 3, 9, 9, 3, 1, 7, 1, 3]