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.

A051819 Number of n-digit numbers with nonzero multiplicative digital root 8.

Table of values

n a(n)
1 1
2 23
3 228
4 2536
5 29135
6 320182
7 3348887
8 33918043
9 337681353
10 3346457531
11 33328331754
12 335156871449
13 3402031164396
14 34729171765901
15 354926411492071
16 3618033042193311

List of values

[1, 23, 228, 2536, 29135, 320182, 3348887, 33918043, 337681353, 3346457531, 33328331754, 335156871449, 3402031164396, 34729171765901, 354926411492071, 3618033042193311]