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.

A372255 a(1) = 1, a(n) = n*(n-2)! + n - 1.

Table of values

n a(n)
1 1
2 3
3 5
4 11
5 34
6 149
7 846
8 5767
9 45368
10 403209
11 3991690
12 43545611
13 518918412
14 6706022413
15 93405312014
16 1394852659215
17 22230464256016
18 376610217984017
19 6758061133824018
20 128047474114560019
21 2554547108585472020
22 53523844179886080021
23 1175091669949317120022
24 26976017466662584320023

List of values

[1, 3, 5, 11, 34, 149, 846, 5767, 45368, 403209, 3991690, 43545611, 518918412, 6706022413, 93405312014, 1394852659215, 22230464256016, 376610217984017, 6758061133824018, 128047474114560019, 2554547108585472020, 53523844179886080021, 1175091669949317120022, 26976017466662584320023]

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

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