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.

A356094 a(n) = denominator((prime(n)-1)/prime(n)#), where prime(n)# = A002110(n) is the n-th primorial.

Table of values

n a(n)
1 2
2 3
3 15
4 35
5 231
6 5005
7 255255
8 1616615
9 10140585
10 462120945
11 6685349671
12 1236789689135
13 30425026352721
14 311494317420715
15 13367169186706335
16 1253429172199617105
17 33151040519900217915
18 3909612711980232366109
19 119065478046670712967865
20 7970583287524270870963077

List of values

[2, 3, 15, 35, 231, 5005, 255255, 1616615, 10140585, 462120945, 6685349671, 1236789689135, 30425026352721, 311494317420715, 13367169186706335, 1253429172199617105, 33151040519900217915, 3909612711980232366109, 119065478046670712967865, 7970583287524270870963077]