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.

A277355 a(n) = Product_{k=1..n} (2^k + k).

Table of values

n a(n)
0 1
1 3
2 18
3 198
4 3960
5 146520
6 10256400
7 1384614000
8 365538096000
9 190445348016000
10 196920489848544000
11 405459288598152096000
12 1665626757561208810368000
13 13666467545789718289069440000
14 224102734815859800504160677120000
15 7346759955468331839927899478024960000

List of values

[1, 3, 18, 198, 3960, 146520, 10256400, 1384614000, 365538096000, 190445348016000, 196920489848544000, 405459288598152096000, 1665626757561208810368000, 13666467545789718289069440000, 224102734815859800504160677120000, 7346759955468331839927899478024960000]