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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.

A074209 a(n) = Sum_{i=n+1..2n} i^n.

Table of values

n a(n)
1 2
2 25
3 405
4 8418
5 216400
6 6668779
7 240361121
8 9936764996
9 463893277176
10 24148657338925
11 1387253043076813
12 87185783860333910
13 5951020164442347800
14 438417132703015536399
15 34673851743509883542625

List of values

[2, 25, 405, 8418, 216400, 6668779, 240361121, 9936764996, 463893277176, 24148657338925, 1387253043076813, 87185783860333910, 5951020164442347800, 438417132703015536399, 34673851743509883542625]

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

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