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.

A322053 Number of decimal strings of length n that contain a specific string xx (where x is a single digit).

Table of values

n a(n)
1 0
2 1
3 19
4 280
5 3691
6 45739
7 544870
8 6315481
9 71743159
10 802527760
11 8868438271
12 97038694279
13 1053164192950
14 11351825985061
15 121644911602099
16 1296970638284440
17 13767539948978851
18 145580595285369619
19 1534133217109136230
20 16117424311550552641

List of values

[0, 1, 19, 280, 3691, 45739, 544870, 6315481, 71743159, 802527760, 8868438271, 97038694279, 1053164192950, 11351825985061, 121644911602099, 1296970638284440, 13767539948978851, 145580595285369619, 1534133217109136230, 16117424311550552641]

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

Content is available under The OEIS End-User License Agreement.