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.

A135928 Digital roots of the Mersenne primes.

Table of values

n a(n)
1 3
2 7
3 4
4 1
5 1
6 4
7 1
8 1
9 1
10 4
11 4
12 1
13 4
14 1
15 1
16 1
17 1
18 1
19 4
20 1
21 4
22 4
23 4
24 4
25 4
26 1
27 1
28 4
29 1
30 1
31 1
32 4
33 4
34 1
35 4
36 4
37 4
38 4
39 1
40 1
41 1
42 4
43 1
44 4
45 4
46 1
47 4
48 4

List of values

[3, 7, 4, 1, 1, 4, 1, 1, 1, 4, 4, 1, 4, 1, 1, 1, 1, 1, 4, 1, 4, 4, 4, 4, 4, 1, 1, 4, 1, 1, 1, 4, 4, 1, 4, 4, 4, 4, 1, 1, 1, 4, 1, 4, 4, 1, 4, 4]