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.

A240804 a(n) = -2 + product of first n odd primes.

Table of values

n a(n)
1 1
2 13
3 103
4 1153
5 15013
6 255253
7 4849843
8 111546433
9 3234846613
10 100280245063
11 3710369067403
12 152125131763603
13 6541380665835013
14 307444891294245703
15 16294579238595022363
16 961380175077106319533
17 58644190679703485491633
18 3929160775540133527939543
19 278970415063349480483707693

List of values

[1, 13, 103, 1153, 15013, 255253, 4849843, 111546433, 3234846613, 100280245063, 3710369067403, 152125131763603, 6541380665835013, 307444891294245703, 16294579238595022363, 961380175077106319533, 58644190679703485491633, 3929160775540133527939543, 278970415063349480483707693]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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