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.

A097708 Sum of prime-length repunits: Sum_{k=1..n} r(prime(k)), where r()=A002275.

Table of values

n a(n)
0 0
1 11
2 122
3 11233
4 1122344
5 11112233455
6 1122223344566
7 11112233334455677
8 1122223344445566788
9 11112233334455556677899
10 11111122223344445566667789010
11 1122222233334455556677778900121

List of values

[0, 11, 122, 11233, 1122344, 11112233455, 1122223344566, 11112233334455677, 1122223344445566788, 11112233334455556677899, 11111122223344445566667789010, 1122222233334455556677778900121]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.