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.

A100756 Greatest prime factor of the concatenation of terms in the n-th row of Pascal's Triangle.

Table of values

n a(n)
1 11
2 11
3 11
4 11
5 2157293
6 37562827
7 5935701799
8 18285670562881
9 34298587945253
10 92768668286052709
11 101410593913295112092414101
12 464557485113006356820471
13 170574866715037030033
14 829618322366629399154147
15 2972851397279413777

List of values

[11, 11, 11, 11, 2157293, 37562827, 5935701799, 18285670562881, 34298587945253, 92768668286052709, 101410593913295112092414101, 464557485113006356820471, 170574866715037030033, 829618322366629399154147, 2972851397279413777]

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

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