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.

A088301 a(n) = p(n)/p(n-1), where p(n) = ( floor(n*log(n)) / Product_{j=2..pi(floor(n*log(n)))} prime(j) )!.

Table of values

n a(n)
2 1
3 2
4 4
5 48
6 90
7 12
8 3360
9 18
10 9240
11 15600
12 756
13 31680
14 42840
15 59280
16 1848
17 99360
18 6497400
19 2970
20 185136
21 234360
22 18670080
23 347760
24 421800
25 480480
26 557928
27 55965360
28 70073640
29 857280
30 98960400
31 1157520
32 11880
33 162983520
34 190578024

List of values

[1, 2, 4, 48, 90, 12, 3360, 18, 9240, 15600, 756, 31680, 42840, 59280, 1848, 99360, 6497400, 2970, 185136, 234360, 18670080, 347760, 421800, 480480, 557928, 55965360, 70073640, 857280, 98960400, 1157520, 11880, 162983520, 190578024]