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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.

A100690 a(n) = p * 5^p - 1 where p=prime(n).

Table of values

n a(n)
1 49
2 374
3 15624
4 546874
5 537109374
6 15869140624
7 12969970703124
8 362396240234374
9 274181365966796874
10 5401670932769775390624
11 144354999065399169921874
12 2692104317247867584228515624

List of values

[49, 374, 15624, 546874, 537109374, 15869140624, 12969970703124, 362396240234374, 274181365966796874, 5401670932769775390624, 144354999065399169921874, 2692104317247867584228515624]

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

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