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.

A116239 Numbers k such that k*(k+8) gives the concatenation of two numbers m and m-8.

Table of values

n a(n)
1 7743
2 8017
3 33294314
4 66705679
5 98000197
6 340465755421
7 476452552741
8 523547447252
9 659534244572
10 866013200677
11 998000001997
12 3695104677080130
13 3755782995538764
14 4198081170077527
15 4803478892324962
16 5196521107675031

List of values

[7743, 8017, 33294314, 66705679, 98000197, 340465755421, 476452552741, 523547447252, 659534244572, 866013200677, 998000001997, 3695104677080130, 3755782995538764, 4198081170077527, 4803478892324962, 5196521107675031]