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.

A061772 a(n) is the number of n-digit multiples of n.

Table of values

n a(n)
1 10
2 45
3 300
4 2250
5 18000
6 150000
7 1285714
8 11250000
9 100000000
10 900000000
11 8181818181
12 75000000000
13 692307692307
14 6428571428572
15 60000000000000
16 562500000000000
17 5294117647058823
18 50000000000000000
19 473684210526315789
20 4500000000000000000
21 42857142857142857143

List of values

[10, 45, 300, 2250, 18000, 150000, 1285714, 11250000, 100000000, 900000000, 8181818181, 75000000000, 692307692307, 6428571428572, 60000000000000, 562500000000000, 5294117647058823, 50000000000000000, 473684210526315789, 4500000000000000000, 42857142857142857143]

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

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