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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.

A131675 a(n) = (Product_{i=1..5} n^i+i)/5!.

Table of values

n a(n)
0 1
1 6
2 1221
3 231880
4 13443885
5 340203456
6 4910472385
7 47565216504
8 342540938025
9 1962871989130
10 9382270310061
11 38701449021984
12 141297910237237
13 465502930269300
14 1404867737405385
15 3930816255364816
16 10296122969028753
17 25448298063869070
18 59744930256741205

List of values

[1, 6, 1221, 231880, 13443885, 340203456, 4910472385, 47565216504, 342540938025, 1962871989130, 9382270310061, 38701449021984, 141297910237237, 465502930269300, 1404867737405385, 3930816255364816, 10296122969028753, 25448298063869070, 59744930256741205]

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

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