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.

A125945 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks at least one of digits 1,2, at least one of digits 3,4 and at least one of digits 5,6,7,8,9.

Table of values

n a(n)
1 10
2 96
3 892
4 8076
5 71500
6 619236
7 5241652
8 43355436
9 350740540
10 2780210676
11 21641505412
12 165814383996
13 1253254845580
14 9362782430916
15 69259450905172
16 508062802935756
17 3700662365318620
18 26794126632247956
19 193018363703408932
20 1384505203965202716

List of values

[10, 96, 892, 8076, 71500, 619236, 5241652, 43355436, 350740540, 2780210676, 21641505412, 165814383996, 1253254845580, 9362782430916, 69259450905172, 508062802935756, 3700662365318620, 26794126632247956, 193018363703408932, 1384505203965202716]