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.

A281595 a(n) = (n^n - 3*(n-1)^n + 3*(n-2)^n - (n-3)^n)/6.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 10
5 125
6 1890
7 33621
8 688506
9 15958405
10 413066170
11 11810819141
12 369730963602
13 12577271147805
14 461980538087250
15 18223376862518101
16 768327068469302218
17 34480595937671194805
18 1641060381277816308810
19 82562177153973368528901
20 4378026144983797903473954

List of values

[0, 0, 0, 1, 10, 125, 1890, 33621, 688506, 15958405, 413066170, 11810819141, 369730963602, 12577271147805, 461980538087250, 18223376862518101, 768327068469302218, 34480595937671194805, 1641060381277816308810, 82562177153973368528901, 4378026144983797903473954]