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.

A277407 a(n) = A277406(n)/(n+1).

Table of values

n a(n)
0 1
1 1
2 3
3 19
4 220
5 4196
6 120876
7 4915212
8 268194816
9 18903020544
10 1671209210880
11 181064295924480
12 23589442167333120
13 3638090042721918720
14 655483159341216541440
15 136420837710333144595200
16 32478481518550347674419200
17 8770206330674425311097651200
18 2666047809138871800854163456000
19 906320525390421790143785781657600
20 342508343836409428996994343026688000

List of values

[1, 1, 3, 19, 220, 4196, 120876, 4915212, 268194816, 18903020544, 1671209210880, 181064295924480, 23589442167333120, 3638090042721918720, 655483159341216541440, 136420837710333144595200, 32478481518550347674419200, 8770206330674425311097651200, 2666047809138871800854163456000, 906320525390421790143785781657600, 342508343836409428996994343026688000]

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

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