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.

A139190 a(n) = (prime(n)!-2)/2.

Table of values

n a(n)
1 0
2 2
3 59
4 2519
5 19958399
6 3113510399
7 177843714047999
8 60822550204415999
9 12926008369442488319999
10 4420880996869850977271807999999
11 4111419327088961408862781439999999
12 6881876545613172523157989790790451199999999
13 16726263306581903554085031026720375832575999999999
14 30207631531686917818677566034256998753632255999999999
15 129311620755584090321482177576805989984598816194559999999999
16 2137441642030012782149006876694699824845171894183406862335999999999999

List of values

[0, 2, 59, 2519, 19958399, 3113510399, 177843714047999, 60822550204415999, 12926008369442488319999, 4420880996869850977271807999999, 4111419327088961408862781439999999, 6881876545613172523157989790790451199999999, 16726263306581903554085031026720375832575999999999, 30207631531686917818677566034256998753632255999999999, 129311620755584090321482177576805989984598816194559999999999, 2137441642030012782149006876694699824845171894183406862335999999999999]

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

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