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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.

A014937 a(1)=1, a(n) = n*20^(n-1) + a(n-1).

Table of values

n a(n)
1 1
2 41
3 1241
4 33241
5 833241
6 20033241
7 468033241
8 10708033241
9 241108033241
10 5361108033241
11 118001108033241
12 2575601108033241
13 55823601108033241
14 1202703601108033241
15 25778703601108033241
16 550066703601108033241
17 11691186703601108033241
18 247620786703601108033241

List of values

[1, 41, 1241, 33241, 833241, 20033241, 468033241, 10708033241, 241108033241, 5361108033241, 118001108033241, 2575601108033241, 55823601108033241, 1202703601108033241, 25778703601108033241, 550066703601108033241, 11691186703601108033241, 247620786703601108033241]

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

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