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.

A383357 Integers m such that R(Sum_{k=1..m} (10^k+k)) is prime, where R is the digit reversal function A004086.

Table of values

n a(n)
1 1
2 2
3 4
4 20
5 34
6 35
7 77
8 158
9 181
10 401
11 973
12 3517
13 6818

List of values

[1, 2, 4, 20, 34, 35, 77, 158, 181, 401, 973, 3517, 6818]