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.

A126633 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, at least one of digits 5,6 and at least one of digits 7,8,9.

Table of values

n a(n)
1 10
2 94
3 832
4 6946
5 54880
6 412714
7 2975752
8 20722306
9 140285200
10 928323034
11 6031661272
12 38617025266
13 244322679520
14 1531014308554
15 9519483716392
16 58816232361826
17 361524350929840
18 2212804949145274
19 13497228660885112

List of values

[10, 94, 832, 6946, 54880, 412714, 2975752, 20722306, 140285200, 928323034, 6031661272, 38617025266, 244322679520, 1531014308554, 9519483716392, 58816232361826, 361524350929840, 2212804949145274, 13497228660885112]