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.

A353183 Number of numbers < 10^n in which more than half of the digits are the same.

Table of values

n a(n)
1 9
2 18
3 270
4 603
5 8307
6 19737
7 265257
8 653742
9 8672022
10 21893256
11 288028728
12 739651770
13 9675345546
14 25164110070
15 327788101782
16 860977172187
17 11178969569667
18 29595164756157
19 383284574197677
20 1021259144052675
21 13198843891723059
22 35357274978994503
23 456176418630573735
24 1227566989710948393

List of values

[9, 18, 270, 603, 8307, 19737, 265257, 653742, 8672022, 21893256, 288028728, 739651770, 9675345546, 25164110070, 327788101782, 860977172187, 11178969569667, 29595164756157, 383284574197677, 1021259144052675, 13198843891723059, 35357274978994503, 456176418630573735, 1227566989710948393]

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

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