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.

A277174 a(n) = Product_{i=1..n} i*rad(i) where rad(n) = A007947(n).

Table of values

n a(n)
0 1
1 1
2 4
3 36
4 288
5 7200
6 259200
7 12700800
8 203212800
9 5486745600
10 548674560000
11 66389621760000
12 4780052766720000
13 807828917575680000
14 158334467844833280000
15 35625255265087488000000
16 1140008168482799616000000
17 329462360691529089024000000

List of values

[1, 1, 4, 36, 288, 7200, 259200, 12700800, 203212800, 5486745600, 548674560000, 66389621760000, 4780052766720000, 807828917575680000, 158334467844833280000, 35625255265087488000000, 1140008168482799616000000, 329462360691529089024000000]